Python: Foundry hosted agent V2 (#5379)

* Python: Wrapper + Samples 1st (#5177)

* Experiment

* Update dependency and add non streaming

* Add more samples

* Rename samples

* Add invocations

* Comments 1

* Comments 2

* Comments 3

* Improve README

* Add local shell sample

* WIP: Add eval and memory samples

* Update user agent prefix

* Update user agent prefix doc

* Update dependency (#5215)

* Add tests and more content types (#5235)

* Add tests

* fix tests and sample

* Fix formatting

* Remove function approval contents

* Python: Refine samples and upgrade packages (#5261)

* Refine samples and upgrade pacakges

* Upgrade to a new package that fixes a bug

* Update model env var

* Move samples (#5281)

* Python: Upgrade agentserver packages (#5284)

* Upgrade agentserver packages

* Fix new types

* Python: Add special handling for workflows (#5298)

* Add special handling for workflows

* Address comments

* Improve samples (#5372)

* Python: Add more types (#5378)

* Add more type supports

* Upgrade packages

* Remove TODOs in README

* Fix README

* Comments and mypy

* User agent scoped

* Fix README

* Fix pre commit

* Fix pre commit 2

* Fix pre commit 3

* Fix pre commit 4

* Fix pre commit 5

* Fix pre commit 6

* Add azure-monitor-opentelemetry to dev deps

Fixes Samples & Markdown CI failure. The PR's new transitive dep on
azure-monitor-opentelemetry-exporter (via azure-ai-agentserver-core) makes
pyright resolve the azure.monitor.opentelemetry namespace, flipping the
check_md_code_blocks diagnostic for `configure_azure_monitor` from
reportMissingImports (filtered) to reportAttributeAccessIssue (not filtered).
Installing the umbrella azure-monitor-opentelemetry package in dev makes
pyright resolve the symbol correctly, matching the install guidance the
observability README already gives users.

---------

Co-authored-by: Evan Mattson <evan.mattson@microsoft.com>

python/.cspell.json

@@ -24,6 +24,7 @@
     ],
     "words": [
         "aeiou",
+        "agentserver",
         "agui",
         "aiplatform",
         "azuredocindex",

python/packages/core/agent_framework/_telemetry.py

@@ -4,6 +4,9 @@ from __future__ import annotations
 
 import logging
 import os
+from collections.abc import Generator
+from contextlib import contextmanager
+from contextvars import ContextVar
 from typing import Any, Final
 
 from . import __version__ as version_info
@@ -26,6 +29,35 @@ USER_AGENT_KEY: Final[str] = "User-Agent"
 HTTP_USER_AGENT: Final[str] = "agent-framework-python"
 AGENT_FRAMEWORK_USER_AGENT = f"{HTTP_USER_AGENT}/{version_info}"  # type: ignore[has-type]
 
+_user_agent_prefixes: ContextVar[tuple[str, ...]] = ContextVar("_user_agent_prefixes", default=())
+
+
+@contextmanager
+def user_agent_prefix(prefix: str) -> Generator[None]:
+    """Context manager that adds a prefix to the user agent string for the current scope.
+
+    This is useful for upstream layers that want to identify themselves in telemetry
+    for the duration of a request without permanently mutating global state.
+
+    Args:
+        prefix: The prefix to add (e.g. "foundry-hosting").
+    """
+    current = _user_agent_prefixes.get()
+    token = _user_agent_prefixes.set((*current, prefix)) if prefix and prefix not in current else None
+    try:
+        yield
+    finally:
+        if token is not None:
+            _user_agent_prefixes.reset(token)
+
+
+def _get_user_agent() -> str:
+    """Return the full user agent string including any context-scoped prefixes."""
+    prefixes = _user_agent_prefixes.get()
+    if not prefixes:
+        return AGENT_FRAMEWORK_USER_AGENT
+    return f"{'/'.join(prefixes)}/{AGENT_FRAMEWORK_USER_AGENT}"
+
 
 def prepend_agent_framework_to_user_agent(headers: dict[str, Any] | None = None) -> dict[str, Any]:
     """Prepend "agent-framework" to the User-Agent in the headers.
@@ -57,12 +89,9 @@ def prepend_agent_framework_to_user_agent(headers: dict[str, Any] | None = None)
     """
     if not IS_TELEMETRY_ENABLED:
         return headers or {}
+    user_agent = _get_user_agent()
     if not headers:
-        return {USER_AGENT_KEY: AGENT_FRAMEWORK_USER_AGENT}
-    headers[USER_AGENT_KEY] = (
-        f"{AGENT_FRAMEWORK_USER_AGENT} {headers[USER_AGENT_KEY]}"
-        if USER_AGENT_KEY in headers
-        else AGENT_FRAMEWORK_USER_AGENT
-    )
+        return {USER_AGENT_KEY: user_agent}
+    headers[USER_AGENT_KEY] = f"{user_agent} {headers[USER_AGENT_KEY]}" if USER_AGENT_KEY in headers else user_agent
 
     return headers

python/packages/core/tests/core/test_telemetry.py

@@ -8,6 +8,7 @@ from agent_framework import (
     USER_AGENT_TELEMETRY_DISABLED_ENV_VAR,
     prepend_agent_framework_to_user_agent,
 )
+from agent_framework._telemetry import user_agent_prefix
 
 # region Test constants
 
@@ -96,3 +97,56 @@ def test_modifies_original_dict():
 
     assert result is headers  # Same object
     assert "User-Agent" in headers
+
+
+# region Test user_agent_prefix context manager
+
+
+def test_user_agent_prefix_adds_prefix():
+    """Test that the context manager adds a prefix within its scope."""
+    with user_agent_prefix("test-host"):
+        result = prepend_agent_framework_to_user_agent()
+        assert result["User-Agent"].startswith("test-host/")
+        assert AGENT_FRAMEWORK_USER_AGENT in result["User-Agent"]
+
+    # Prefix is removed after exiting the context
+    result = prepend_agent_framework_to_user_agent()
+    assert result["User-Agent"] == AGENT_FRAMEWORK_USER_AGENT
+
+
+def test_user_agent_prefix_ignores_duplicates():
+    """Test that duplicate prefixes are not added within nested scopes."""
+    with user_agent_prefix("test-host"), user_agent_prefix("test-host"):
+        result = prepend_agent_framework_to_user_agent()
+        assert result["User-Agent"].count("test-host") == 1
+
+
+def test_user_agent_prefix_ignores_empty():
+    """Test that empty strings are not added as prefixes."""
+    with user_agent_prefix(""):
+        result = prepend_agent_framework_to_user_agent()
+        assert result["User-Agent"] == AGENT_FRAMEWORK_USER_AGENT
+
+
+def test_user_agent_prefix_restores_on_exit():
+    """Test that prefixes are fully restored after the context manager exits."""
+    with user_agent_prefix("test-host"):
+        pass
+    result = prepend_agent_framework_to_user_agent()
+    assert result["User-Agent"] == AGENT_FRAMEWORK_USER_AGENT
+
+
+def test_user_agent_prefix_nesting():
+    """Test that nested context managers compose prefixes correctly."""
+    with user_agent_prefix("outer"):
+        with user_agent_prefix("inner"):
+            result = prepend_agent_framework_to_user_agent()
+            assert "outer" in result["User-Agent"]
+            assert "inner" in result["User-Agent"]
+        # Inner prefix removed
+        result = prepend_agent_framework_to_user_agent()
+        assert "outer" in result["User-Agent"]
+        assert "inner" not in result["User-Agent"]
+    # Both removed
+    result = prepend_agent_framework_to_user_agent()
+    assert result["User-Agent"] == AGENT_FRAMEWORK_USER_AGENT

python/packages/foundry_hosting/LICENSE

@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE

python/packages/foundry_hosting/README.md

@@ -0,0 +1,3 @@
+# Foundry Hosting
+
+This package provides the integration of Agent Framework agents and workflows with the Foundry Agent Server, which can be hosted on Foundry infrastructure.

python/packages/foundry_hosting/agent_framework_foundry_hosting/__init__.py

@@ -0,0 +1,13 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import importlib.metadata
+
+from ._invocations import InvocationsHostServer
+from ._responses import ResponsesHostServer
+
+try:
+    __version__ = importlib.metadata.version(__name__)
+except importlib.metadata.PackageNotFoundError:
+    __version__ = "0.0.0"
+
+__all__ = ["InvocationsHostServer", "ResponsesHostServer"]

python/packages/foundry_hosting/agent_framework_foundry_hosting/_invocations.py

@@ -0,0 +1,80 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from agent_framework import AgentSession, BaseAgent, SupportsAgentRun
+from agent_framework._telemetry import user_agent_prefix
+from azure.ai.agentserver.invocations import InvocationAgentServerHost
+from starlette.requests import Request
+from starlette.responses import JSONResponse, Response, StreamingResponse
+from typing_extensions import Any, AsyncGenerator
+
+
+class InvocationsHostServer(InvocationAgentServerHost):
+    """An invocations server host for an agent."""
+
+    USER_AGENT_PREFIX = "foundry-hosting"
+
+    def __init__(
+        self,
+        agent: BaseAgent,
+        *,
+        openapi_spec: dict[str, Any] | None = None,
+        **kwargs: Any,
+    ) -> None:
+        """Initialize an InvocationsHostServer.
+
+        Args:
+            agent: The agent to handle responses for.
+            openapi_spec: The OpenAPI specification for the server.
+            **kwargs: Additional keyword arguments.
+
+        This host will expect the request to be a JSON body with a "message" field.
+        The response from the host will be a JSON object with a "response" field containing
+        the agent's response and a "session_id" field containing the session ID.
+        """
+        super().__init__(openapi_spec=openapi_spec, **kwargs)
+
+        if not isinstance(agent, SupportsAgentRun):
+            raise TypeError("Agent must support the SupportsAgentRun interface")
+
+        self._agent = agent
+        self._sessions: dict[str, AgentSession] = {}
+        self.invoke_handler(self._handle_invoke)  # pyright: ignore[reportUnknownMemberType]
+
+    async def _handle_invoke(self, request: Request) -> Response:
+        """Invoke the agent with the given request."""
+        with user_agent_prefix(self.USER_AGENT_PREFIX):
+            return await self._handle_invoke_inner(request)
+
+    async def _handle_invoke_inner(self, request: Request) -> Response:
+        """Core invoke handler logic."""
+        data = await request.json()
+        session_id: str = request.state.session_id
+
+        stream = data.get("stream", False)
+        user_message = data.get("message", None)
+        if user_message is None:
+            error = "Missing 'message' in request"
+            if stream:
+                return StreamingResponse(content=error, status_code=400)
+            return Response(content=error, status_code=400)
+
+        session = self._sessions.setdefault(session_id, AgentSession(session_id=session_id))
+
+        if stream:
+
+            async def stream_response() -> AsyncGenerator[str]:
+                async for update in self._agent.run(user_message, session=session, stream=True):
+                    if update.text:
+                        yield update.text
+
+            return StreamingResponse(
+                stream_response(),
+                media_type="text/event-stream",
+                headers={"Cache-Control": "no-cache", "Connection": "keep-alive"},
+            )
+
+        response = await self._agent.run([user_message], session=session, stream=stream)
+        return JSONResponse({
+            "response": response.text,
+            "session_id": session_id,
+        })

python/packages/foundry_hosting/agent_framework_foundry_hosting/_responses.py

@@ -0,0 +1,983 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from __future__ import annotations
+
+import asyncio
+import json
+import logging
+import os
+from collections.abc import AsyncIterable, AsyncIterator, Generator, Mapping, Sequence
+from typing import cast
+
+from agent_framework import (
+    ChatOptions,
+    Content,
+    ContextProvider,
+    FileCheckpointStorage,
+    HistoryProvider,
+    Message,
+    RawAgent,
+    SupportsAgentRun,
+    WorkflowAgent,
+)
+from agent_framework._telemetry import user_agent_prefix
+from azure.ai.agentserver.responses import (
+    ResponseContext,
+    ResponseEventStream,
+    ResponseProviderProtocol,
+    ResponsesServerOptions,
+)
+from azure.ai.agentserver.responses.hosting import ResponsesAgentServerHost
+from azure.ai.agentserver.responses.models import (
+    ComputerScreenshotContent,
+    CreateResponse,
+    FunctionCallOutputItemParam,
+    FunctionShellAction,
+    FunctionShellCallOutputContent,
+    FunctionShellCallOutputExitOutcome,
+    LocalEnvironmentResource,
+    MessageContent,
+    MessageContentInputFileContent,
+    MessageContentInputImageContent,
+    MessageContentInputTextContent,
+    MessageContentOutputTextContent,
+    MessageContentReasoningTextContent,
+    MessageContentRefusalContent,
+    OAuthConsentRequestOutputItem,
+    OutputItem,
+    OutputItemApplyPatchToolCall,
+    OutputItemApplyPatchToolCallOutput,
+    OutputItemCodeInterpreterToolCall,
+    OutputItemComputerToolCall,
+    OutputItemComputerToolCallOutputResource,
+    OutputItemCustomToolCall,
+    OutputItemCustomToolCallOutput,
+    OutputItemFileSearchToolCall,
+    OutputItemFunctionShellCall,
+    OutputItemFunctionShellCallOutput,
+    OutputItemFunctionToolCall,
+    OutputItemImageGenToolCall,
+    OutputItemLocalShellToolCall,
+    OutputItemLocalShellToolCallOutput,
+    OutputItemMcpApprovalRequest,
+    OutputItemMcpApprovalResponseResource,
+    OutputItemMcpToolCall,
+    OutputItemMessage,
+    OutputItemOutputMessage,
+    OutputItemReasoningItem,
+    OutputItemWebSearchToolCall,
+    OutputMessageContent,
+    OutputMessageContentOutputTextContent,
+    OutputMessageContentRefusalContent,
+    ResponseStreamEvent,
+    StructuredOutputsOutputItem,
+    SummaryTextContent,
+    TextContent,
+)
+from azure.ai.agentserver.responses.streaming._builders import (
+    OutputItemFunctionCallBuilder,
+    OutputItemMcpCallBuilder,
+    OutputItemMessageBuilder,
+    OutputItemReasoningItemBuilder,
+    ReasoningSummaryPartBuilder,
+    TextContentBuilder,
+)
+from typing_extensions import Any
+
+logger = logging.getLogger(__name__)
+
+
+class ResponsesHostServer(ResponsesAgentServerHost):
+    """A responses server host for an agent."""
+
+    USER_AGENT_PREFIX = "foundry-hosting"
+    # TODO(@taochen): Allow a different checkpoint storage that stores checkpoints externally
+    CHECKPOINT_STORAGE_PATH = "/.checkpoints"
+
+    def __init__(
+        self,
+        agent: SupportsAgentRun,
+        *,
+        prefix: str = "",
+        options: ResponsesServerOptions | None = None,
+        store: ResponseProviderProtocol | None = None,
+        **kwargs: Any,
+    ) -> None:
+        """Initialize a ResponsesHostServer.
+
+        Args:
+            agent: The agent to handle responses for.
+            prefix: The URL prefix for the server.
+            options: Optional server options.
+            store: Optional response store.
+            **kwargs: Additional keyword arguments.
+
+        Note:
+            1. The agent must not have a history provider with `load_messages=True`,
+               because history is managed by the hosting infrastructure.
+            2. The agent must not have any context providers that maintain context
+               in memory, because the hosting environment may get deactivated between
+               requests, and any in-memory context would be lost.
+        """
+        super().__init__(prefix=prefix, options=options, store=store, **kwargs)
+
+        for provider in getattr(agent, "context_providers", []):
+            if isinstance(provider, HistoryProvider) and provider.load_messages:
+                raise RuntimeError(
+                    "There shouldn't be a history provider with `load_messages=True` already present. "
+                    "History is managed by the hosting infrastructure."
+                )
+            provider = cast(ContextProvider, provider)
+            logger.warning(
+                "Context provider %s is present. If it maintains context in memory, "
+                "the context may be lost between requests. Use with caution.",
+                provider.source_id,
+            )
+
+        self._is_workflow_agent = False
+        self._checkpoint_storage_path = None
+        if isinstance(agent, WorkflowAgent):
+            if agent.workflow._runner_context.has_checkpointing():  # pyright: ignore[reportPrivateUsage]
+                raise RuntimeError(
+                    "There should not be a checkpoint storage already present in the workflow agent. "
+                    "The hosting infrastructure will manage checkpoints instead."
+                )
+            self._checkpoint_storage_path = (
+                self.CHECKPOINT_STORAGE_PATH
+                if self.config.is_hosted
+                else os.path.join(os.getcwd(), self.CHECKPOINT_STORAGE_PATH.lstrip("/"))
+            )
+            self._is_workflow_agent = True
+
+        self._agent = agent
+        self.response_handler(self._handler)  # pyright: ignore[reportUnknownMemberType]
+
+    @staticmethod
+    def _is_streaming_request(request: CreateResponse) -> bool:
+        """Check if the request is a streaming request."""
+        return request.stream is not None and request.stream is True
+
+    async def _handler(
+        self,
+        request: CreateResponse,
+        context: ResponseContext,
+        cancellation_signal: asyncio.Event,
+    ) -> AsyncIterable[ResponseStreamEvent | dict[str, Any]]:
+        """Handle the creation of a response."""
+        with user_agent_prefix(self.USER_AGENT_PREFIX):
+            async for event in self._handle_inner(request, context, cancellation_signal):
+                yield event
+
+    async def _handle_inner(
+        self,
+        request: CreateResponse,
+        context: ResponseContext,
+        cancellation_signal: asyncio.Event,
+    ) -> AsyncIterable[ResponseStreamEvent | dict[str, Any]]:
+        """Core handler logic."""
+        if self._is_workflow_agent:
+            # Workflow agents are handled differently because they require checkpoint restoration
+            async for event in self._handle_workflow_agent(request, context, cancellation_signal):
+                yield event
+            return
+
+        input_text = await context.get_input_text()
+        history = await context.get_history()
+        messages: list[str | Content | Message] = [*_to_messages(history), input_text]
+
+        chat_options, are_options_set = _to_chat_options(request)
+
+        is_streaming_request = self._is_streaming_request(request)
+        response_event_stream = ResponseEventStream(response_id=context.response_id, model=request.model)
+
+        yield response_event_stream.emit_created()
+        yield response_event_stream.emit_in_progress()
+
+        if not is_streaming_request:
+            # Run the agent in non-streaming mode
+            if isinstance(self._agent, RawAgent):
+                raw_agent = cast("RawAgent[Any]", self._agent)  # type: ignore[redundant-cast]  # pyright: ignore[reportUnknownMemberType]
+                response = await raw_agent.run(messages, stream=False, options=chat_options)
+            else:
+                if are_options_set:
+                    logger.warning("Agent doesn't support runtime options. They will be ignored.")
+                response = await self._agent.run(messages, stream=False)
+
+            for message in response.messages:
+                for content in message.contents:
+                    async for item in _to_outputs(response_event_stream, content):
+                        yield item
+
+            yield response_event_stream.emit_completed()
+            return
+
+        # Run the agent in streaming mode
+        if isinstance(self._agent, RawAgent):
+            raw_agent = cast("RawAgent[Any]", self._agent)  # type: ignore[redundant-cast]  # pyright: ignore[reportUnknownMemberType]
+            response_stream = raw_agent.run(messages, stream=True, options=chat_options)
+        else:
+            if are_options_set:
+                logger.warning("Agent doesn't support runtime options. They will be ignored.")
+            response_stream = self._agent.run(messages, stream=True)
+
+        # Track the current active output item builder for streaming;
+        # lazily created on matching content, closed when a different type arrives.
+        tracker = _OutputItemTracker(response_event_stream)
+
+        async for update in response_stream:
+            for content in update.contents:
+                for event in tracker.handle(content):
+                    yield event
+                if tracker.needs_async:
+                    async for item in _to_outputs(response_event_stream, content):
+                        yield item
+                    tracker.needs_async = False
+
+        # Close any remaining active builder
+        for event in tracker.close():
+            yield event
+
+        yield response_event_stream.emit_completed()
+
+    async def _handle_workflow_agent(
+        self,
+        request: CreateResponse,
+        context: ResponseContext,
+        cancellation_signal: asyncio.Event,
+    ) -> AsyncIterable[ResponseStreamEvent | dict[str, Any]]:
+        """Handle the creation of a response for a workflow agent.
+
+        Why this is required:
+        The sandbox may be deactivated after some period of inactivity, and only data managed
+        by the hosting infrastructure or files will be preserved upon deactivation.
+        """
+        input_text = await context.get_input_text()
+        is_streaming_request = self._is_streaming_request(request)
+
+        _, are_options_set = _to_chat_options(request)
+        if are_options_set:
+            logger.warning("Workflow agent doesn't support runtime options. They will be ignored.")
+
+        if request.previous_response_id is not None and context.conversation_id is not None:
+            raise RuntimeError("Previous response ID cannot be used in conjunction with conversation ID.")
+        context_id = request.previous_response_id or context.conversation_id
+
+        # The following should never happen due to the checks above.
+        # This is for type safety and defensive programming.
+        if self._checkpoint_storage_path is None:
+            raise RuntimeError("Checkpoint storage path is not configured for workflow agent.")
+        if not isinstance(self._agent, WorkflowAgent):
+            raise RuntimeError("Agent is not a workflow agent.")
+
+        # Restore from the latest checkpoint if available, otherwise start with an empty history
+        if context_id is not None:
+            checkpoint_storage = FileCheckpointStorage(os.path.join(self._checkpoint_storage_path, context_id))
+            latest_checkpoint = await checkpoint_storage.get_latest(workflow_name=self._agent.workflow.name)
+            if latest_checkpoint is not None:
+                if not is_streaming_request:
+                    _ = await self._agent.run(
+                        stream=False,
+                        checkpoint_id=latest_checkpoint.checkpoint_id,
+                        checkpoint_storage=checkpoint_storage,
+                    )
+                else:
+                    # Consume the streaming or the invocation will result in a no-op
+                    async for _ in self._agent.run(
+                        stream=True,
+                        checkpoint_id=latest_checkpoint.checkpoint_id,
+                        checkpoint_storage=checkpoint_storage,
+                    ):
+                        pass
+
+        # Now run the agent with the latest input
+        response_event_stream = ResponseEventStream(response_id=context.response_id, model=request.model)
+
+        # Create a new checkpoint storage for this response based on the following rules:
+        # - If no previous response ID or conversation ID is provided, create a new checkpoint storage for this response
+        # - If a previous response ID is provided, create a new checkpoint storage for this response
+        # - If a conversation ID is provided, reuse the existing checkpoint storage for the conversation
+        context_id = context.conversation_id or context.response_id
+        checkpoint_storage = FileCheckpointStorage(os.path.join(self._checkpoint_storage_path, context_id))
+
+        yield response_event_stream.emit_created()
+        yield response_event_stream.emit_in_progress()
+
+        if not is_streaming_request:
+            # Run the agent in non-streaming mode
+            response = await self._agent.run(input_text, stream=False, checkpoint_storage=checkpoint_storage)
+
+            for message in response.messages:
+                for content in message.contents:
+                    async for item in _to_outputs(response_event_stream, content):
+                        yield item
+
+            await self._delete_not_latest_checkpoints(checkpoint_storage, self._agent.workflow.name)
+            yield response_event_stream.emit_completed()
+            return
+
+        # Run the agent in streaming mode
+        response_stream = self._agent.run(input_text, stream=True, checkpoint_storage=checkpoint_storage)
+
+        # Track the current active output item builder for streaming;
+        # lazily created on matching content, closed when a different type arrives.
+        tracker = _OutputItemTracker(response_event_stream)
+
+        async for update in response_stream:
+            for content in update.contents:
+                for event in tracker.handle(content):
+                    yield event
+                if tracker.needs_async:
+                    async for item in _to_outputs(response_event_stream, content):
+                        yield item
+                    tracker.needs_async = False
+
+        # Close any remaining active builder
+        for event in tracker.close():
+            yield event
+
+        await self._delete_not_latest_checkpoints(checkpoint_storage, self._agent.workflow.name)
+        yield response_event_stream.emit_completed()
+        return
+
+    @staticmethod
+    async def _delete_not_latest_checkpoints(checkpoint_storage: FileCheckpointStorage, workflow_name: str) -> None:
+        """Delete all checkpoints except the latest one.
+
+        We only need the last checkpoint for each invocation.
+        """
+        latest_checkpoint = await checkpoint_storage.get_latest(workflow_name=workflow_name)
+        if latest_checkpoint is not None:
+            all_checkpoints = await checkpoint_storage.list_checkpoints(workflow_name=workflow_name)
+            for checkpoint in all_checkpoints:
+                if checkpoint.checkpoint_id != latest_checkpoint.checkpoint_id:
+                    await checkpoint_storage.delete(checkpoint.checkpoint_id)
+
+
+# region Active Builder State
+
+
+class _OutputItemTracker:
+    """Tracks the current active output item builder during streaming.
+
+    Handles lazy creation, delta emission, and closing of streaming builders
+    for text messages, reasoning, function calls, and MCP calls.
+    """
+
+    _DELTA_TYPES = frozenset({"text", "text_reasoning", "function_call", "mcp_server_tool_call"})
+
+    def __init__(self, stream: ResponseEventStream) -> None:
+        self._stream = stream
+        self._active_type: str | None = None
+        self._active_id: str | None = None
+        # Accumulated delta text for the current active builder
+        self._accumulated: list[str] = []
+        # Builder state — only one is active at a time
+        self._message_item: OutputItemMessageBuilder | None = None
+        self._text_content: TextContentBuilder | None = None
+        self._reasoning_item: OutputItemReasoningItemBuilder | None = None
+        self._summary_part: ReasoningSummaryPartBuilder | None = None
+        self._fc_builder: OutputItemFunctionCallBuilder | None = None
+        self._mcp_builder: OutputItemMcpCallBuilder | None = None
+        self.needs_async = False
+
+    def handle(self, content: Content) -> Generator[ResponseStreamEvent]:
+        """Process a content item, yielding sync events.
+
+        Sets ``needs_async = True`` if the caller must also drain an
+        async ``_to_outputs`` call for this content.
+        """
+        if content.type == "text" and content.text is not None:
+            if self._active_type != "text":
+                yield from self._close()
+                yield from self._open_message()
+            self._accumulated.append(content.text)
+            if self._text_content is not None:
+                yield self._text_content.emit_delta(content.text)
+
+        elif content.type == "text_reasoning" and content.text is not None:
+            if self._active_type != "text_reasoning":
+                yield from self._close()
+                yield from self._open_reasoning()
+            self._accumulated.append(content.text)
+            if self._summary_part is not None:
+                yield self._summary_part.emit_text_delta(content.text)
+
+        elif content.type == "function_call" and content.call_id is not None:
+            if self._active_type != "function_call" or self._active_id != content.call_id:
+                yield from self._close()
+                yield from self._open_function_call(content)
+            args_str = _arguments_to_str(content.arguments)
+            self._accumulated.append(args_str)
+            if self._fc_builder is not None:
+                yield self._fc_builder.emit_arguments_delta(args_str)
+
+        elif content.type == "mcp_server_tool_call" and content.tool_name:
+            key = f"{content.server_name or 'default'}::{content.tool_name}"
+            if self._active_type != "mcp_server_tool_call" or self._active_id != key:
+                yield from self._close()
+                yield from self._open_mcp_call(content)
+            args_str = _arguments_to_str(content.arguments)
+            self._accumulated.append(args_str)
+            if self._mcp_builder is not None:
+                yield self._mcp_builder.emit_arguments_delta(args_str)
+
+        else:
+            yield from self._close()
+            self.needs_async = True
+
+    def close(self) -> Generator[ResponseStreamEvent]:
+        """Close any remaining active builder."""
+        yield from self._close()
+
+    # -- Private open/close helpers --
+
+    def _open_message(self) -> Generator[ResponseStreamEvent]:
+        self._message_item = self._stream.add_output_item_message()
+        self._text_content = self._message_item.add_text_content()
+        self._active_type = "text"
+        self._active_id = None
+        yield self._message_item.emit_added()
+        yield self._text_content.emit_added()
+
+    def _open_reasoning(self) -> Generator[ResponseStreamEvent]:
+        self._reasoning_item = self._stream.add_output_item_reasoning_item()
+        self._summary_part = self._reasoning_item.add_summary_part()
+        self._active_type = "text_reasoning"
+        self._active_id = None
+        yield self._reasoning_item.emit_added()
+        yield self._summary_part.emit_added()
+
+    def _open_function_call(self, content: Content) -> Generator[ResponseStreamEvent]:
+        self._fc_builder = self._stream.add_output_item_function_call(
+            name=content.name or "",
+            call_id=content.call_id or "",
+        )
+        self._active_type = "function_call"
+        self._active_id = content.call_id
+        yield self._fc_builder.emit_added()
+
+    def _open_mcp_call(self, content: Content) -> Generator[ResponseStreamEvent]:
+        self._mcp_builder = self._stream.add_output_item_mcp_call(
+            server_label=content.server_name or "default",
+            name=content.tool_name or "",
+        )
+        self._active_type = "mcp_server_tool_call"
+        self._active_id = f"{content.server_name or 'default'}::{content.tool_name}"
+        yield self._mcp_builder.emit_added()
+
+    def _close(self) -> Generator[ResponseStreamEvent]:
+        accumulated = "".join(self._accumulated)
+
+        if self._active_type == "text" and self._text_content and self._message_item:
+            yield self._text_content.emit_text_done(accumulated)
+            yield self._text_content.emit_done()
+            yield self._message_item.emit_done()
+            self._text_content = None
+            self._message_item = None
+
+        elif self._active_type == "text_reasoning" and self._summary_part and self._reasoning_item:
+            yield self._summary_part.emit_text_done(accumulated)
+            yield self._summary_part.emit_done()
+            yield self._reasoning_item.emit_done()
+            self._summary_part = None
+            self._reasoning_item = None
+
+        elif self._active_type == "function_call" and self._fc_builder:
+            yield self._fc_builder.emit_arguments_done(accumulated)
+            yield self._fc_builder.emit_done()
+            self._fc_builder = None
+
+        elif self._active_type == "mcp_server_tool_call" and self._mcp_builder:
+            yield self._mcp_builder.emit_arguments_done(accumulated)
+            yield self._mcp_builder.emit_completed()
+            yield self._mcp_builder.emit_done()
+            self._mcp_builder = None
+
+        self._active_type = None
+        self._active_id = None
+        self._accumulated.clear()
+
+
+# endregion
+
+
+# region Option Conversion
+
+
+def _to_chat_options(request: CreateResponse) -> tuple[ChatOptions, bool]:
+    """Converts a CreateResponse request to ChatOptions.
+
+    Args:
+        request (CreateResponse): The request to convert.
+
+    Returns:
+        ChatOptions: The converted ChatOptions.
+        bool: Whether any options were set.
+
+    """
+    chat_options = ChatOptions()
+    are_options_set = False
+
+    if request.temperature is not None:
+        chat_options["temperature"] = request.temperature
+        are_options_set = True
+    if request.top_p is not None:
+        chat_options["top_p"] = request.top_p
+        are_options_set = True
+    if request.max_output_tokens is not None:
+        chat_options["max_tokens"] = request.max_output_tokens
+        are_options_set = True
+    if request.parallel_tool_calls is not None:
+        chat_options["allow_multiple_tool_calls"] = request.parallel_tool_calls
+        are_options_set = True
+
+    return chat_options, are_options_set
+
+
+# endregion
+
+
+# region Input Message Conversion
+
+
+def _to_messages(history: Sequence[OutputItem]) -> list[Message]:
+    """Converts a sequence of OutputItem objects to a list of Message objects.
+
+    Args:
+        history (Sequence[OutputItem]): The sequence of OutputItem objects to convert.
+
+    Returns:
+        list[Message]: The list of Message objects.
+    """
+    messages: list[Message] = []
+    for item in history:
+        messages.append(_to_message(item))
+    return messages
+
+
+def _to_message(item: OutputItem) -> Message:
+    """Converts an OutputItem to a Message.
+
+    Args:
+        item (OutputItem): The OutputItem to convert.
+
+    Returns:
+        Message: The converted Message.
+
+    Raises:
+        ValueError: If the OutputItem type is not supported.
+    """
+    if item.type == "output_message":
+        output_msg = cast(OutputItemOutputMessage, item)
+        return Message(
+            role=output_msg.role, contents=[_convert_output_message_content(part) for part in output_msg.content]
+        )
+
+    if item.type == "message":
+        msg = cast(OutputItemMessage, item)
+        return Message(role=msg.role, contents=[_convert_message_content(part) for part in msg.content])
+
+    if item.type == "function_call":
+        fc = cast(OutputItemFunctionToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_function_call(fc.call_id, fc.name, arguments=fc.arguments)],
+        )
+
+    if item.type == "function_call_output":
+        fco = cast(FunctionCallOutputItemParam, item)
+        output = fco.output if isinstance(fco.output, str) else str(fco.output)
+        return Message(
+            role="tool",
+            contents=[Content.from_function_result(fco.call_id, result=output)],
+        )
+
+    if item.type == "reasoning":
+        reasoning = cast(OutputItemReasoningItem, item)
+        contents: list[Content] = []
+        if reasoning.summary:
+            for summary in reasoning.summary:
+                contents.append(Content.from_text(summary.text))
+        return Message(role="assistant", contents=contents)
+
+    if item.type == "mcp_call":
+        mcp = cast(OutputItemMcpToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_mcp_server_tool_call(
+                    mcp.id,
+                    mcp.name,
+                    server_name=mcp.server_label,
+                    arguments=mcp.arguments,
+                )
+            ],
+        )
+
+    if item.type == "mcp_approval_request":
+        mcp_req = cast(OutputItemMcpApprovalRequest, item)
+        mcp_call_content = Content.from_mcp_server_tool_call(
+            mcp_req.id,
+            mcp_req.name,
+            server_name=mcp_req.server_label,
+            arguments=mcp_req.arguments,
+        )
+        return Message(
+            role="assistant",
+            contents=[Content.from_function_approval_request(mcp_req.id, mcp_call_content)],
+        )
+
+    if item.type == "mcp_approval_response":
+        mcp_resp = cast(OutputItemMcpApprovalResponseResource, item)
+        # Build a placeholder function_call Content since the original call details are not available
+        placeholder_content = Content.from_function_call(mcp_resp.approval_request_id, "mcp_approval")
+        return Message(
+            role="user",
+            contents=[Content.from_function_approval_response(mcp_resp.approve, mcp_resp.id, placeholder_content)],
+        )
+
+    if item.type == "code_interpreter_call":
+        ci = cast(OutputItemCodeInterpreterToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_code_interpreter_tool_call(call_id=ci.id)],
+        )
+
+    if item.type == "image_generation_call":
+        ig = cast(OutputItemImageGenToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_image_generation_tool_call(image_id=ig.id)],
+        )
+
+    if item.type == "shell_call":
+        sc = cast(OutputItemFunctionShellCall, item)
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_shell_tool_call(
+                    call_id=sc.call_id,
+                    commands=sc.action.commands,
+                    status=str(sc.status),
+                )
+            ],
+        )
+
+    if item.type == "shell_call_output":
+        sco = cast(OutputItemFunctionShellCallOutput, item)
+        outputs = [
+            Content.from_shell_command_output(
+                stdout=out.stdout or "",
+                stderr=out.stderr or "",
+                exit_code=getattr(out.outcome, "exit_code", None) if hasattr(out, "outcome") else None,
+            )
+            for out in (sco.output or [])
+        ]
+        return Message(
+            role="tool",
+            contents=[
+                Content.from_shell_tool_result(
+                    call_id=sco.call_id,
+                    outputs=outputs,
+                    max_output_length=sco.max_output_length,
+                )
+            ],
+        )
+
+    if item.type == "local_shell_call":
+        lsc = cast(OutputItemLocalShellToolCall, item)
+        commands = lsc.action.command if hasattr(lsc.action, "command") and lsc.action.command else []
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_shell_tool_call(
+                    call_id=lsc.call_id,
+                    commands=commands,
+                    status=str(lsc.status),
+                )
+            ],
+        )
+
+    if item.type == "local_shell_call_output":
+        lsco = cast(OutputItemLocalShellToolCallOutput, item)
+        return Message(
+            role="tool",
+            contents=[
+                Content.from_shell_tool_result(
+                    call_id=lsco.id,
+                    outputs=[Content.from_shell_command_output(stdout=lsco.output)],
+                )
+            ],
+        )
+
+    if item.type == "file_search_call":
+        fs = cast(OutputItemFileSearchToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_function_call(
+                    fs.id,
+                    "file_search",
+                    arguments=json.dumps({"queries": fs.queries}),
+                )
+            ],
+        )
+
+    if item.type == "web_search_call":
+        ws = cast(OutputItemWebSearchToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_function_call(ws.id, "web_search")],
+        )
+
+    if item.type == "computer_call":
+        cc = cast(OutputItemComputerToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_function_call(
+                    cc.call_id,
+                    "computer_use",
+                    arguments=str(cc.action),
+                )
+            ],
+        )
+
+    if item.type == "computer_call_output":
+        cco = cast(OutputItemComputerToolCallOutputResource, item)
+        return Message(
+            role="tool",
+            contents=[Content.from_function_result(cco.call_id, result=str(cco.output))],
+        )
+
+    if item.type == "custom_tool_call":
+        ct = cast(OutputItemCustomToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_function_call(ct.call_id, ct.name, arguments=ct.input)],
+        )
+
+    if item.type == "custom_tool_call_output":
+        cto = cast(OutputItemCustomToolCallOutput, item)
+        output = cto.output if isinstance(cto.output, str) else str(cto.output)
+        return Message(
+            role="tool",
+            contents=[Content.from_function_result(cto.call_id, result=output)],
+        )
+
+    if item.type == "apply_patch_call":
+        ap = cast(OutputItemApplyPatchToolCall, item)
+        return Message(
+            role="assistant",
+            contents=[
+                Content.from_function_call(
+                    ap.call_id,
+                    "apply_patch",
+                    arguments=str(ap.operation),
+                )
+            ],
+        )
+
+    if item.type == "apply_patch_call_output":
+        apo = cast(OutputItemApplyPatchToolCallOutput, item)
+        return Message(
+            role="tool",
+            contents=[Content.from_function_result(apo.call_id, result=apo.output or "")],
+        )
+
+    if item.type == "oauth_consent_request":
+        oauth = cast(OAuthConsentRequestOutputItem, item)
+        return Message(
+            role="assistant",
+            contents=[Content.from_oauth_consent_request(oauth.consent_link)],
+        )
+
+    if item.type == "structured_outputs":
+        so = cast(StructuredOutputsOutputItem, item)
+        text = json.dumps(so.output) if not isinstance(so.output, str) else so.output
+        return Message(role="assistant", contents=[Content.from_text(text)])
+
+    raise ValueError(f"Unsupported OutputItem type: {item.type}")
+
+
+def _convert_output_message_content(content: OutputMessageContent) -> Content:
+    """Converts an OutputMessageContent to a Content object.
+
+    Args:
+        content (OutputMessageContent): The OutputMessageContent to convert.
+
+    Returns:
+        Content: The converted Content object.
+
+    Raises:
+        ValueError: If the OutputMessageContent type is not supported.
+    """
+    if content.type == "output_text":
+        text_content = cast(OutputMessageContentOutputTextContent, content)
+        return Content.from_text(text_content.text)
+    if content.type == "refusal":
+        refusal_content = cast(OutputMessageContentRefusalContent, content)
+        return Content.from_text(refusal_content.refusal)
+
+    raise ValueError(f"Unsupported OutputMessageContent type: {content.type}")
+
+
+def _convert_message_content(content: MessageContent) -> Content:
+    """Converts a MessageContent to a Content object.
+
+    Args:
+        content (MessageContent): The MessageContent to convert.
+
+    Returns:
+        Content: The converted Content object.
+
+    Raises:
+        ValueError: If the MessageContent type is not supported.
+    """
+    if content.type == "input_text":
+        input_text = cast(MessageContentInputTextContent, content)
+        return Content.from_text(input_text.text)
+    if content.type == "output_text":
+        output_text = cast(MessageContentOutputTextContent, content)
+        return Content.from_text(output_text.text)
+    if content.type == "text":
+        text = cast(TextContent, content)
+        return Content.from_text(text.text)
+    if content.type == "summary_text":
+        summary = cast(SummaryTextContent, content)
+        return Content.from_text(summary.text)
+    if content.type == "refusal":
+        refusal = cast(MessageContentRefusalContent, content)
+        return Content.from_text(refusal.refusal)
+    if content.type == "reasoning_text":
+        reasoning = cast(MessageContentReasoningTextContent, content)
+        return Content.from_text_reasoning(text=reasoning.text)
+    if content.type == "input_image":
+        image = cast(MessageContentInputImageContent, content)
+        if image.image_url:
+            return Content.from_uri(image.image_url)
+        if image.file_id:
+            return Content.from_hosted_file(image.file_id)
+    if content.type == "input_file":
+        file = cast(MessageContentInputFileContent, content)
+        if file.file_url:
+            return Content.from_uri(file.file_url)
+        if file.file_id:
+            return Content.from_hosted_file(file.file_id, name=file.filename)
+    if content.type == "computer_screenshot":
+        screenshot = cast(ComputerScreenshotContent, content)
+        return Content.from_uri(screenshot.image_url)
+
+    raise ValueError(f"Unsupported MessageContent type: {content.type}")
+
+
+# endregion
+
+# region Output Item Conversion
+
+
+def _arguments_to_str(arguments: str | Mapping[str, Any] | None) -> str:
+    """Convert arguments to a JSON string.
+
+    Args:
+        arguments: The arguments to convert, can be a string, mapping, or None.
+
+    Returns:
+        The arguments as a JSON string.
+    """
+    if arguments is None:
+        return ""
+    if isinstance(arguments, str):
+        return arguments
+    return json.dumps(arguments)
+
+
+async def _to_outputs(stream: ResponseEventStream, content: Content) -> AsyncIterator[ResponseStreamEvent]:
+    """Converts a Content object to an async sequence of ResponseStreamEvent objects.
+
+    Args:
+        stream: The ResponseEventStream to use for building events.
+        content: The Content to convert.
+
+    Yields:
+        ResponseStreamEvent: The converted event objects.
+
+    Raises:
+        ValueError: If the Content type is not supported.
+    """
+    if content.type == "text" and content.text is not None:
+        async for event in stream.aoutput_item_message(content.text):
+            yield event
+    elif content.type == "text_reasoning" and content.text is not None:
+        async for event in stream.aoutput_item_reasoning_item(content.text):
+            yield event
+    elif content.type == "function_call":
+        async for event in stream.aoutput_item_function_call(
+            content.name,  # type: ignore[arg-type]
+            content.call_id,  # type: ignore[arg-type]
+            _arguments_to_str(content.arguments),
+        ):
+            yield event
+    elif content.type == "function_result":
+        async for event in stream.aoutput_item_function_call_output(
+            content.call_id,  # type: ignore[arg-type]
+            str(content.result or ""),
+        ):
+            yield event
+    elif content.type == "image_generation_tool_result" and content.outputs is not None:
+        async for event in stream.aoutput_item_image_gen_call(str(content.outputs)):
+            yield event
+    elif content.type == "mcp_server_tool_call":
+        mcp_call = stream.add_output_item_mcp_call(
+            server_label=content.server_name or "default",
+            name=content.tool_name or "",
+        )
+        yield mcp_call.emit_added()
+        async for event in mcp_call.aarguments(_arguments_to_str(content.arguments)):
+            yield event
+        yield mcp_call.emit_completed()
+        yield mcp_call.emit_done()
+    elif content.type == "mcp_server_tool_result":
+        output = (
+            content.output
+            if isinstance(content.output, str)
+            else str(content.output)
+            if content.output is not None
+            else ""
+        )
+        async for event in stream.aoutput_item_custom_tool_call_output(content.call_id or "", output):
+            yield event
+    elif content.type == "shell_tool_call":
+        action = FunctionShellAction(commands=content.commands or [], timeout_ms=0, max_output_length=0)
+        async for event in stream.aoutput_item_function_shell_call(
+            content.call_id or "",
+            action,
+            LocalEnvironmentResource(),
+            status=content.status or "completed",
+        ):
+            yield event
+    elif content.type == "shell_tool_result":
+        output_items: list[FunctionShellCallOutputContent] = []
+        if content.outputs:
+            for out in content.outputs:
+                exit_code = getattr(out, "exit_code", None)
+                output_items.append(
+                    FunctionShellCallOutputContent(
+                        stdout=getattr(out, "stdout", "") or "",
+                        stderr=getattr(out, "stderr", "") or "",
+                        outcome=FunctionShellCallOutputExitOutcome(exit_code=exit_code if exit_code is not None else 0),
+                    )
+                )
+        async for event in stream.aoutput_item_function_shell_call_output(
+            content.call_id or "",
+            output_items,
+            status=content.status or "completed",
+            max_output_length=content.max_output_length,
+        ):
+            yield event
+    else:
+        # Log a warning for unsupported content types instead of raising an error to avoid breaking the response stream.
+        logger.warning(f"Content type '{content.type}' is not supported yet. This is usually safe to ignore.")
+
+
+# endregion

python/packages/foundry_hosting/pyproject.toml

@@ -0,0 +1,99 @@
+[project]
+name = "agent-framework-foundry-hosting"
+description = "Foundry Hosting integration for Microsoft Agent Framework."
+authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
+readme = "README.md"
+requires-python = ">=3.10"
+version = "1.0.0a260420"
+license-files = ["LICENSE"]
+urls.homepage = "https://aka.ms/agent-framework"
+urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
+urls.release_notes = "https://github.com/microsoft/agent-framework/releases?q=tag%3Apython-1&expanded=true"
+urls.issues = "https://github.com/microsoft/agent-framework/issues"
+classifiers = [
+  "License :: OSI Approved :: MIT License",
+  "Development Status :: 4 - Alpha",
+  "Intended Audience :: Developers",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+  "Typing :: Typed",
+]
+dependencies = [
+    "agent-framework-core>=1.0.0,<2",
+    "azure-ai-agentserver-core==2.0.0b2",
+    "azure-ai-agentserver-responses==1.0.0b4",
+    "azure-ai-agentserver-invocations==1.0.0b2",
+]
+
+[tool.uv]
+prerelease = "if-necessary-or-explicit"
+environments = [
+    "sys_platform == 'darwin'",
+    "sys_platform == 'linux'",
+    "sys_platform == 'win32'"
+]
+
+[tool.uv-dynamic-versioning]
+fallback-version = "0.0.0"
+
+[tool.pytest.ini_options]
+testpaths = 'tests'
+addopts = "-ra -q -r fEX"
+asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
+filterwarnings = []
+timeout = 120
+markers = [
+    "integration: marks tests as integration tests that require external services",
+]
+
+[tool.ruff]
+extend = "../../pyproject.toml"
+
+[tool.coverage.run]
+omit = [
+    "**/__init__.py"
+]
+
+[tool.pyright]
+extends = "../../pyproject.toml"
+include = ["agent_framework_foundry_hosting"]
+exclude = ['tests']
+
+[tool.mypy]
+plugins = ['pydantic.mypy']
+strict = true
+python_version = "3.10"
+ignore_missing_imports = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+check_untyped_defs = true
+warn_return_any = true
+show_error_codes = true
+warn_unused_ignores = false
+disallow_incomplete_defs = true
+disallow_untyped_decorators = true
+
+[tool.bandit]
+targets = ["agent_framework_foundry_hosting"]
+exclude_dirs = ["tests"]
+
+[tool.poe]
+executor.type = "uv"
+include = "../../shared_tasks.toml"
+
+[tool.poe.tasks.mypy]
+help = "Run MyPy for this package."
+cmd = "mypy --config-file $POE_ROOT/pyproject.toml agent_framework_foundry_hosting"
+
+[tool.poe.tasks.test]
+help = "Run the default unit test suite for this package."
+cmd = 'pytest -m "not integration" --cov=agent_framework_foundry_hosting --cov-report=term-missing:skip-covered tests'
+
+[build-system]
+requires = ["flit-core >= 3.11,<4.0"]
+build-backend = "flit_core.buildapi"

python/packages/foundry_hosting/tests/test_responses.py

@@ -0,0 +1,917 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+"""HTTP round-trip tests for ResponsesHostServer.
+
+These tests exercise the full HTTP pipeline using httpx.AsyncClient with
+ASGITransport — no real server process is started. Requests go through
+the Starlette routing stack, the Responses API middleware, and arrive at
+the registered _handle_create handler.
+"""
+
+from __future__ import annotations
+
+import json
+from collections.abc import AsyncIterator
+from unittest.mock import AsyncMock, MagicMock
+
+import httpx
+import pytest
+from agent_framework import (
+    AgentResponse,
+    AgentResponseUpdate,
+    Content,
+    HistoryProvider,
+    Message,
+    RawAgent,
+    ResponseStream,
+)
+from azure.ai.agentserver.responses import InMemoryResponseProvider
+from typing_extensions import Any
+
+from agent_framework_foundry_hosting import ResponsesHostServer
+from agent_framework_foundry_hosting._responses import _to_message  # pyright: ignore[reportPrivateUsage]
+
+# region Helpers
+
+
+def _make_agent(
+    *,
+    response: AgentResponse | None = None,
+    stream_updates: list[AgentResponseUpdate] | None = None,
+) -> MagicMock:
+    """Create a mock agent implementing SupportsAgentRun."""
+    agent = MagicMock(spec=RawAgent)
+    agent.id = "test-agent"
+    agent.name = "Test Agent"
+    agent.description = "A mock agent for testing"
+    agent.context_providers = []
+
+    if response is not None:
+
+        async def run_non_streaming(*args: Any, **kwargs: Any) -> AgentResponse:
+            return response
+
+        agent.run = AsyncMock(side_effect=run_non_streaming)
+
+    if stream_updates is not None:
+
+        async def _stream_gen() -> AsyncIterator[AgentResponseUpdate]:
+            for update in stream_updates:
+                yield update
+
+        def run_streaming(*args: Any, **kwargs: Any) -> Any:
+            if kwargs.get("stream"):
+                return ResponseStream(_stream_gen())  # type: ignore
+            raise NotImplementedError("Only streaming is configured on this mock")
+
+        agent.run = MagicMock(side_effect=run_streaming)
+
+    return agent
+
+
+def _make_server(agent: MagicMock, **kwargs: Any) -> ResponsesHostServer:
+    """Create a ResponsesHostServer with an in-memory store."""
+    return ResponsesHostServer(agent, store=InMemoryResponseProvider(), **kwargs)
+
+
+async def _post(
+    server: ResponsesHostServer,
+    *,
+    input_text: str = "Hello",
+    model: str = "test-model",
+    stream: bool = False,
+    temperature: float | None = None,
+    top_p: float | None = None,
+    max_output_tokens: int | None = None,
+    parallel_tool_calls: bool | None = None,
+) -> httpx.Response:
+    """Send a POST /responses request through the ASGI transport."""
+    payload: dict[str, Any] = {"model": model, "input": input_text, "stream": stream}
+    if temperature is not None:
+        payload["temperature"] = temperature
+    if top_p is not None:
+        payload["top_p"] = top_p
+    if max_output_tokens is not None:
+        payload["max_output_tokens"] = max_output_tokens
+    if parallel_tool_calls is not None:
+        payload["parallel_tool_calls"] = parallel_tool_calls
+
+    transport = httpx.ASGITransport(app=server)
+    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        return await client.post("/responses", json=payload)
+
+
+def _parse_sse_events(body: str) -> list[dict[str, Any]]:
+    """Parse SSE text into a list of event dicts with 'event' and 'data' keys."""
+    events: list[dict[str, Any]] = []
+    current_event: str | None = None
+    current_data_lines: list[str] = []
+
+    for line in body.split("\n"):
+        if line.startswith("event: "):
+            current_event = line[len("event: ") :]
+        elif line.startswith("data: "):
+            current_data_lines.append(line[len("data: ") :])
+        elif line.strip() == "" and current_event is not None:
+            data_str = "\n".join(current_data_lines)
+            try:
+                data = json.loads(data_str)
+            except json.JSONDecodeError:
+                data = data_str
+            events.append({"event": current_event, "data": data})
+            current_event = None
+            current_data_lines = []
+
+    return events
+
+
+def _sse_event_types(events: list[dict[str, Any]]) -> list[str]:
+    """Extract event type strings from parsed SSE events."""
+    return [e["event"] for e in events]
+
+
+# endregion
+
+
+# region Initialization
+
+
+class TestResponsesHostServerInit:
+    def test_init_basic(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(messages=[Message(role="assistant", contents=[Content.from_text("hi")])])
+        )
+        server = _make_server(agent)
+        assert server is not None
+
+    def test_init_rejects_history_provider_with_load_messages(self) -> None:
+        hp = HistoryProvider(source_id="test", load_messages=True)
+        agent = _make_agent(
+            response=AgentResponse(messages=[Message(role="assistant", contents=[Content.from_text("hi")])])
+        )
+        agent.context_providers = [hp]
+        with pytest.raises(RuntimeError, match="history provider"):
+            ResponsesHostServer(agent)
+
+
+# endregion
+
+
+# region Health Check
+
+
+class TestHealthCheck:
+    async def test_readiness(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(messages=[Message(role="assistant", contents=[Content.from_text("hi")])])
+        )
+        server = _make_server(agent)
+        transport = httpx.ASGITransport(app=server)
+        async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+            resp = await client.get("/readiness")
+        assert resp.status_code == 200
+
+
+# endregion
+
+
+# region Non-streaming
+
+
+class TestNonStreaming:
+    async def test_basic_text_response(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(messages=[Message(role="assistant", contents=[Content.from_text("Hello!")])])
+        )
+        server = _make_server(agent)
+        resp = await _post(server, input_text="Hi", stream=False)
+
+        assert resp.status_code == 200
+        assert "application/json" in resp.headers["content-type"]
+
+        body = resp.json()
+        assert body["object"] == "response"
+        assert body["status"] == "completed"
+        assert len(body["output"]) > 0
+
+        # Find the message output item with our text
+        text_found = False
+        for item in body["output"]:
+            assert item["type"] == "message"
+            for part in item.get("content", []):
+                if part.get("type") == "output_text" and part.get("text") == "Hello!":
+                    text_found = True
+        assert text_found, f"Expected 'Hello!' in output, got: {body['output']}"
+
+    async def test_function_call_and_result(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(
+                messages=[
+                    Message(
+                        role="assistant",
+                        contents=[Content.from_function_call("call_1", "get_weather", arguments='{"loc": "NYC"}')],
+                    ),
+                    Message(role="tool", contents=[Content.from_function_result("call_1", result="sunny")]),
+                    Message(role="assistant", contents=[Content.from_text("The weather is sunny!")]),
+                ]
+            )
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=False)
+
+        assert resp.status_code == 200
+        body = resp.json()
+        assert body["status"] == "completed"
+
+        types = [item["type"] for item in body["output"]]
+        assert "function_call" in types
+        assert "function_call_output" in types
+        assert "message" in types
+
+    async def test_reasoning_content(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(
+                messages=[
+                    Message(
+                        role="assistant",
+                        contents=[
+                            Content.from_text_reasoning(text="Let me think..."),
+                            Content.from_text("The answer is 42"),
+                        ],
+                    ),
+                ]
+            )
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=False)
+
+        assert resp.status_code == 200
+        body = resp.json()
+        assert body["status"] == "completed"
+
+        types = [item["type"] for item in body["output"]]
+        assert "reasoning" in types
+        assert "message" in types
+
+    async def test_empty_response(self) -> None:
+        agent = _make_agent(response=AgentResponse(messages=[]))
+        server = _make_server(agent)
+        resp = await _post(server, stream=False)
+
+        assert resp.status_code == 200
+        body = resp.json()
+        assert body["status"] == "completed"
+
+    async def test_chat_options_forwarded(self) -> None:
+        agent = _make_agent(
+            response=AgentResponse(messages=[Message(role="assistant", contents=[Content.from_text("ok")])])
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=False, temperature=0.5, top_p=0.9, max_output_tokens=1024)
+
+        assert resp.status_code == 200
+        agent.run.assert_awaited_once()
+        call_kwargs = agent.run.call_args.kwargs
+        assert call_kwargs["stream"] is False
+        options = call_kwargs["options"]
+        assert options["temperature"] == 0.5
+        assert options["top_p"] == 0.9
+        assert options["max_tokens"] == 1024
+
+
+# endregion
+
+
+# region Streaming
+
+
+class TestStreaming:
+    async def test_basic_text_streaming(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                AgentResponseUpdate(contents=[Content.from_text("Hello ")], role="assistant"),
+                AgentResponseUpdate(contents=[Content.from_text("world!")], role="assistant"),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        assert "text/event-stream" in resp.headers["content-type"]
+
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types[0] == "response.created"
+        assert types[1] == "response.in_progress"
+        assert types[-1] == "response.completed"
+        assert "response.output_text.delta" in types
+        assert types.count("response.output_text.delta") == 2
+        assert "response.output_text.done" in types
+
+        # Verify the accumulated text in the done event
+        done_events = [e for e in events if e["event"] == "response.output_text.done"]
+        assert len(done_events) == 1
+        assert done_events[0]["data"]["text"] == "Hello world!"
+
+    async def test_function_call_streaming(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_1", "search", arguments='{"q":')],
+                    role="assistant",
+                ),
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_1", "search", arguments=' "hello"}')],
+                    role="assistant",
+                ),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types[0] == "response.created"
+        assert types[-1] == "response.completed"
+        assert types.count("response.function_call_arguments.delta") == 2
+        assert "response.function_call_arguments.done" in types
+
+        # Verify accumulated arguments
+        args_done = [e for e in events if e["event"] == "response.function_call_arguments.done"]
+        assert len(args_done) == 1
+        assert args_done[0]["data"]["arguments"] == '{"q": "hello"}'
+
+    async def test_alternating_text_and_function_call(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                # Text deltas
+                AgentResponseUpdate(contents=[Content.from_text("Let me ")], role="assistant"),
+                AgentResponseUpdate(contents=[Content.from_text("search...")], role="assistant"),
+                # Function call argument deltas
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_1", "search", arguments='{"q":')],
+                    role="assistant",
+                ),
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_1", "search", arguments=' "x"}')],
+                    role="assistant",
+                ),
+                # More text deltas
+                AgentResponseUpdate(contents=[Content.from_text("Found ")], role="assistant"),
+                AgentResponseUpdate(contents=[Content.from_text("it!")], role="assistant"),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types[0] == "response.created"
+        assert types[-1] == "response.completed"
+
+        # 4 text deltas + 2 function call argument deltas
+        assert types.count("response.output_text.delta") == 4
+        assert types.count("response.function_call_arguments.delta") == 2
+
+        # 3 distinct output items (text, fc, text)
+        assert types.count("response.output_item.added") == 3
+        assert types.count("response.output_item.done") == 3
+
+        # Verify accumulated content
+        text_done = [e for e in events if e["event"] == "response.output_text.done"]
+        assert len(text_done) == 2
+        assert text_done[0]["data"]["text"] == "Let me search..."
+        assert text_done[1]["data"]["text"] == "Found it!"
+
+        args_done = [e for e in events if e["event"] == "response.function_call_arguments.done"]
+        assert len(args_done) == 1
+        assert args_done[0]["data"]["arguments"] == '{"q": "x"}'
+
+    async def test_reasoning_then_text_streaming(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                # Reasoning deltas
+                AgentResponseUpdate(contents=[Content.from_text_reasoning(text="Let me ")], role="assistant"),
+                AgentResponseUpdate(contents=[Content.from_text_reasoning(text="think...")], role="assistant"),
+                # Text deltas
+                AgentResponseUpdate(contents=[Content.from_text("The answer ")], role="assistant"),
+                AgentResponseUpdate(contents=[Content.from_text("is 42")], role="assistant"),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types[0] == "response.created"
+        assert types[-1] == "response.completed"
+        # Reasoning + text = 2 output items
+        assert types.count("response.output_item.added") == 2
+        assert types.count("response.output_item.done") == 2
+        assert types.count("response.output_text.delta") == 2
+
+        # Verify accumulated text
+        text_done = [e for e in events if e["event"] == "response.output_text.done"]
+        assert len(text_done) == 1
+        assert text_done[0]["data"]["text"] == "The answer is 42"
+
+    async def test_empty_streaming(self) -> None:
+        agent = _make_agent(stream_updates=[])
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types == ["response.created", "response.in_progress", "response.completed"]
+
+    async def test_mixed_contents_in_single_update(self) -> None:
+        """Text and function call in one update switches builder mid-update."""
+        agent = _make_agent(
+            stream_updates=[
+                AgentResponseUpdate(
+                    contents=[
+                        Content.from_text("Let me search"),
+                        Content.from_function_call("call_1", "search", arguments='{"q": "test"}'),
+                    ],
+                    role="assistant",
+                ),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert "response.output_text.delta" in types
+        assert "response.output_text.done" in types
+        assert "response.function_call_arguments.delta" in types
+        assert "response.function_call_arguments.done" in types
+
+    async def test_different_function_call_ids_produce_separate_items(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_1", "func_a", arguments='{"x":1}')],
+                    role="assistant",
+                ),
+                AgentResponseUpdate(
+                    contents=[Content.from_function_call("call_2", "func_b", arguments='{"y":2}')],
+                    role="assistant",
+                ),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        # Two separate function call items
+        assert types.count("response.output_item.added") == 2
+        assert types.count("response.function_call_arguments.done") == 2
+
+    async def test_mcp_tool_call_streaming(self) -> None:
+        agent = _make_agent(
+            stream_updates=[
+                AgentResponseUpdate(
+                    contents=[
+                        Content(
+                            type="mcp_server_tool_call",
+                            server_name="my_server",
+                            tool_name="search",
+                            arguments='{"query":',
+                        )
+                    ],
+                    role="assistant",
+                ),
+                AgentResponseUpdate(
+                    contents=[
+                        Content(
+                            type="mcp_server_tool_call",
+                            server_name="my_server",
+                            tool_name="search",
+                            arguments=' "test"}',
+                        )
+                    ],
+                    role="assistant",
+                ),
+            ]
+        )
+        server = _make_server(agent)
+        resp = await _post(server, stream=True)
+
+        assert resp.status_code == 200
+        events = _parse_sse_events(resp.text)
+        types = _sse_event_types(events)
+
+        assert types[0] == "response.created"
+        assert types[-1] == "response.completed"
+        assert "response.output_item.added" in types
+        assert "response.output_item.done" in types
+
+
+# endregion
+
+
+# region _to_message conversion
+
+
+class TestToMessage:
+    """Tests for _to_message covering all supported OutputItem types."""
+
+    def test_output_message(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemOutputMessage, OutputMessageContentOutputTextContent
+
+        item = OutputItemOutputMessage({
+            "type": "output_message",
+            "role": "assistant",
+            "content": [OutputMessageContentOutputTextContent({"type": "output_text", "text": "hello"})],
+            "status": "completed",
+            "id": "msg-1",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert len(msg.contents) == 1
+        assert msg.contents[0].type == "text"
+        assert msg.contents[0].text == "hello"
+
+    def test_message(self) -> None:
+        from azure.ai.agentserver.responses.models import MessageContentInputTextContent, OutputItemMessage
+
+        item = OutputItemMessage({
+            "type": "message",
+            "role": "user",
+            "content": [MessageContentInputTextContent({"type": "input_text", "text": "hi"})],
+        })
+        msg = _to_message(item)
+        assert msg.role == "user"
+        assert len(msg.contents) == 1
+        assert msg.contents[0].text == "hi"
+
+    def test_function_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemFunctionToolCall
+
+        item = OutputItemFunctionToolCall({
+            "type": "function_call",
+            "call_id": "call_1",
+            "name": "get_weather",
+            "arguments": '{"city": "NYC"}',
+            "status": "completed",
+            "id": "fc-1",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].call_id == "call_1"
+        assert msg.contents[0].name == "get_weather"
+
+    def test_function_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import FunctionCallOutputItemParam
+
+        item = FunctionCallOutputItemParam({"type": "function_call_output", "call_id": "call_1", "output": "sunny"})
+        msg = _to_message(item)  # type: ignore[arg-type]
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "function_result"
+        assert msg.contents[0].call_id == "call_1"
+        assert msg.contents[0].result == "sunny"
+
+    def test_reasoning(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemReasoningItem, SummaryTextContent
+
+        item = OutputItemReasoningItem({
+            "type": "reasoning",
+            "id": "r-1",
+            "summary": [SummaryTextContent({"type": "summary_text", "text": "thinking hard"})],
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert len(msg.contents) == 1
+        assert msg.contents[0].text == "thinking hard"
+
+    def test_reasoning_no_summary(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemReasoningItem
+
+        item = OutputItemReasoningItem({"type": "reasoning", "id": "r-2"})
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents == []
+
+    def test_mcp_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemMcpToolCall
+
+        item = OutputItemMcpToolCall({
+            "type": "mcp_call",
+            "id": "mcp-1",
+            "server_label": "my_server",
+            "name": "search",
+            "arguments": '{"q": "test"}',
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "mcp_server_tool_call"
+        assert msg.contents[0].server_name == "my_server"
+        assert msg.contents[0].tool_name == "search"
+
+    def test_mcp_approval_request(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemMcpApprovalRequest
+
+        item = OutputItemMcpApprovalRequest({
+            "type": "mcp_approval_request",
+            "id": "apr-1",
+            "server_label": "srv",
+            "name": "dangerous_tool",
+            "arguments": "{}",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_approval_request"
+
+    def test_mcp_approval_response(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemMcpApprovalResponseResource
+
+        item = OutputItemMcpApprovalResponseResource({
+            "type": "mcp_approval_response",
+            "id": "resp-1",
+            "approval_request_id": "apr-1",
+            "approve": True,
+        })
+        msg = _to_message(item)
+        assert msg.role == "user"
+        assert msg.contents[0].type == "function_approval_response"
+        assert msg.contents[0].approved is True
+
+    def test_code_interpreter_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemCodeInterpreterToolCall
+
+        item = OutputItemCodeInterpreterToolCall({
+            "type": "code_interpreter_call",
+            "id": "ci-1",
+            "status": "completed",
+            "container_id": "c-1",
+            "code": "print('hi')",
+            "outputs": [],
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "code_interpreter_tool_call"
+
+    def test_image_generation_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemImageGenToolCall
+
+        item = OutputItemImageGenToolCall({"type": "image_generation_call", "id": "ig-1", "status": "completed"})
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "image_generation_tool_call"
+
+    def test_shell_call(self) -> None:
+        from azure.ai.agentserver.responses.models import (
+            FunctionShellAction,
+            FunctionShellCallEnvironment,
+            OutputItemFunctionShellCall,
+        )
+
+        item = OutputItemFunctionShellCall({
+            "type": "shell_call",
+            "id": "sc-1",
+            "call_id": "call_sc",
+            "action": FunctionShellAction({"commands": ["ls", "-la"], "timeout_ms": 5000, "max_output_length": 1024}),
+            "status": "completed",
+            "environment": FunctionShellCallEnvironment({"type": "local"}),
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "shell_tool_call"
+        assert msg.contents[0].commands == ["ls", "-la"]
+        assert msg.contents[0].call_id == "call_sc"
+
+    def test_shell_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import (
+            FunctionShellCallOutputContent,
+            FunctionShellCallOutputExitOutcome,
+            OutputItemFunctionShellCallOutput,
+        )
+
+        item = OutputItemFunctionShellCallOutput({
+            "type": "shell_call_output",
+            "id": "sco-1",
+            "call_id": "call_sc",
+            "status": "completed",
+            "output": [
+                FunctionShellCallOutputContent({
+                    "stdout": "file.txt",
+                    "stderr": "",
+                    "outcome": FunctionShellCallOutputExitOutcome({"exit_code": 0}),
+                })
+            ],
+            "max_output_length": 1024,
+        })
+        msg = _to_message(item)
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "shell_tool_result"
+        assert msg.contents[0].call_id == "call_sc"
+
+    def test_local_shell_call(self) -> None:
+        from azure.ai.agentserver.responses.models import LocalShellExecAction, OutputItemLocalShellToolCall
+
+        item = OutputItemLocalShellToolCall({
+            "type": "local_shell_call",
+            "id": "lsc-1",
+            "call_id": "call_lsc",
+            "action": LocalShellExecAction({"type": "exec", "command": ["echo", "hello"], "env": {}}),
+            "status": "completed",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "shell_tool_call"
+        assert msg.contents[0].commands == ["echo", "hello"]
+
+    def test_local_shell_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemLocalShellToolCallOutput
+
+        item = OutputItemLocalShellToolCallOutput({
+            "type": "local_shell_call_output",
+            "id": "lsco-1",
+            "output": "hello\n",
+        })
+        msg = _to_message(item)
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "shell_tool_result"
+
+    def test_file_search_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemFileSearchToolCall
+
+        item = OutputItemFileSearchToolCall({
+            "type": "file_search_call",
+            "id": "fs-1",
+            "status": "completed",
+            "queries": ["what is AI"],
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].name == "file_search"
+        assert '"what is AI"' in (msg.contents[0].arguments or "")
+
+    def test_web_search_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemWebSearchToolCall, WebSearchActionSearch
+
+        item = OutputItemWebSearchToolCall({
+            "type": "web_search_call",
+            "id": "ws-1",
+            "status": "completed",
+            "action": WebSearchActionSearch({"type": "search", "query": "test"}),
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].name == "web_search"
+
+    def test_computer_call(self) -> None:
+        from azure.ai.agentserver.responses.models import ComputerAction, OutputItemComputerToolCall
+
+        item = OutputItemComputerToolCall({
+            "type": "computer_call",
+            "id": "cc-1",
+            "call_id": "call_cc",
+            "action": ComputerAction({"type": "click"}),
+            "pending_safety_checks": [],
+            "status": "completed",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].name == "computer_use"
+
+    def test_computer_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import (
+            ComputerScreenshotImage,
+            OutputItemComputerToolCallOutputResource,
+        )
+
+        item = OutputItemComputerToolCallOutputResource({
+            "type": "computer_call_output",
+            "call_id": "call_cc",
+            "output": ComputerScreenshotImage({
+                "type": "computer_screenshot",
+                "image_url": "data:image/png;base64,abc",
+            }),
+        })
+        msg = _to_message(item)
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "function_result"
+        assert msg.contents[0].call_id == "call_cc"
+
+    def test_custom_tool_call(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemCustomToolCall
+
+        item = OutputItemCustomToolCall({
+            "type": "custom_tool_call",
+            "call_id": "call_ct",
+            "name": "my_tool",
+            "input": '{"key": "value"}',
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].name == "my_tool"
+        assert msg.contents[0].arguments == '{"key": "value"}'
+
+    def test_custom_tool_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemCustomToolCallOutput
+
+        item = OutputItemCustomToolCallOutput({
+            "type": "custom_tool_call_output",
+            "call_id": "call_ct",
+            "output": "result text",
+        })
+        msg = _to_message(item)
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "function_result"
+        assert msg.contents[0].result == "result text"
+
+    def test_apply_patch_call(self) -> None:
+        from azure.ai.agentserver.responses.models import ApplyPatchUpdateFileOperation, OutputItemApplyPatchToolCall
+
+        item = OutputItemApplyPatchToolCall({
+            "type": "apply_patch_call",
+            "id": "ap-1",
+            "call_id": "call_ap",
+            "status": "completed",
+            "operation": ApplyPatchUpdateFileOperation({
+                "type": "update_file",
+                "path": "file.py",
+                "diff": "+ new line",
+            }),
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "function_call"
+        assert msg.contents[0].name == "apply_patch"
+
+    def test_apply_patch_call_output(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItemApplyPatchToolCallOutput
+
+        item = OutputItemApplyPatchToolCallOutput({
+            "type": "apply_patch_call_output",
+            "id": "apo-1",
+            "call_id": "call_ap",
+            "status": "completed",
+            "output": "patch applied",
+        })
+        msg = _to_message(item)
+        assert msg.role == "tool"
+        assert msg.contents[0].type == "function_result"
+        assert msg.contents[0].result == "patch applied"
+
+    def test_oauth_consent_request(self) -> None:
+        from azure.ai.agentserver.responses.models import OAuthConsentRequestOutputItem
+
+        item = OAuthConsentRequestOutputItem({
+            "type": "oauth_consent_request",
+            "id": "oauth-1",
+            "consent_link": "https://example.com/consent",
+            "server_label": "my_server",
+        })
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "oauth_consent_request"
+        assert msg.contents[0].consent_link == "https://example.com/consent"
+
+    def test_structured_outputs_dict(self) -> None:
+        from azure.ai.agentserver.responses.models import StructuredOutputsOutputItem
+
+        item = StructuredOutputsOutputItem({"type": "structured_outputs", "id": "so-1", "output": {"answer": 42}})
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].type == "text"
+        assert json.loads(msg.contents[0].text or "") == {"answer": 42}
+
+    def test_structured_outputs_string(self) -> None:
+        from azure.ai.agentserver.responses.models import StructuredOutputsOutputItem
+
+        item = StructuredOutputsOutputItem({"type": "structured_outputs", "id": "so-2", "output": "plain text"})
+        msg = _to_message(item)
+        assert msg.role == "assistant"
+        assert msg.contents[0].text == "plain text"
+
+    def test_unsupported_type_raises(self) -> None:
+        from azure.ai.agentserver.responses.models import OutputItem
+
+        item = OutputItem({"type": "some_unknown_type"})
+        with pytest.raises(ValueError, match="Unsupported OutputItem type: some_unknown_type"):
+            _to_message(item)
+
+
+# endregion

python/pyproject.toml

@@ -41,6 +41,7 @@ dev = [
     "pyright==1.1.408",
     "mcp[ws]==1.27.0",
     "opentelemetry-sdk==1.40.0",
+    "azure-monitor-opentelemetry==1.8.7",
     #tasks
     "poethepoet==0.42.1",
     "rich>=13.7.1,<15.0.0",
@@ -79,6 +80,7 @@ agent-framework-declarative = { workspace = true }
 agent-framework-devui = { workspace = true }
 agent-framework-durabletask = { workspace = true }
 agent-framework-foundry = { workspace = true }
+agent-framework-foundry-hosting = { workspace = true }
 agent-framework-foundry-local = { workspace = true }
 agent-framework-gemini = { workspace = true }
 agent-framework-github-copilot = { workspace = true }

python/samples/02-agents/observability/README.md

@@ -347,28 +347,29 @@ setup_observability(
 ```
 
 **After (Current):**
+
 ```python
-# For Microsoft Foundry projects
 from agent_framework.foundry import FoundryChatClient
-from azure.identity import AzureCliCredential
-
-client = FoundryChatClient(
-    project_endpoint="https://your-project.services.ai.azure.com",
-    model="gpt-4o",
-    credential=AzureCliCredential(),
-)
-await client.configure_azure_monitor(enable_live_metrics=True)
-
-# For non-Azure AI projects
-from azure.monitor.opentelemetry import configure_azure_monitor
 from agent_framework.observability import create_resource, enable_instrumentation
+from azure.identity import AzureCliCredential
+from azure.monitor.opentelemetry import configure_azure_monitor
 
-configure_azure_monitor(
-    connection_string="InstrumentationKey=...",
-    resource=create_resource(),
-    enable_live_metrics=True,
-)
-enable_instrumentation()
+async def main():
+    # For Microsoft Foundry projects
+    client = FoundryChatClient(
+        project_endpoint="https://your-project.services.ai.azure.com",
+        model="gpt-4o",
+        credential=AzureCliCredential(),
+    )
+    await client.configure_azure_monitor(enable_live_metrics=True)
+
+    # For non-Azure AI projects
+    configure_azure_monitor(
+        connection_string="InstrumentationKey=...",
+        resource=create_resource(),
+        enable_live_metrics=True,
+    )
+    enable_instrumentation()
 ```
 
 ### Console Output

python/samples/04-hosting/foundry-hosted-agents/README.md

@@ -0,0 +1,56 @@
+# Foundry Hosted Agents Samples
+
+This directory contains samples that demonstrate how to use the Agent Framework to host agents on Foundry with different capabilities and configurations. Each sample includes a README with instructions on how to set up, run, and interact with the agent.
+
+Read more about Foundry Hosted Agents [here](https://learn.microsoft.com/en-us/azure/foundry/agents/concepts/hosted-agents).
+
+## Environment setup
+
+1. Navigate to the sample directory you want to run. For example:
+
+   ```bash
+   python -m venv .venv
+
+   # Windows
+   .venv\Scripts\Activate
+
+   # macOS/Linux
+   source .venv/bin/activate
+   ```
+
+2. Install dependencies:
+
+   ```bash
+   pip install -r requirements.txt
+   ```
+
+3. Create a `.env` file with your Foundry configuration following the `env.example` file in the sample.
+
+4. Make sure you are logged in with the Azure CLI:
+
+   ```bash
+   az login
+   ```
+
+## Deploying to a Docker container
+
+Navigate to the sample directory and build the Docker image:
+
+```bash
+docker build -t hosted-agent-sample .
+```
+
+Run the container, passing in the required environment variables:
+
+```bash
+docker run -p 8088:8088 \
+  -e FOUNDRY_PROJECT_ENDPOINT=<your-endpoint> \
+  -e MODEL_DEPLOYMENT_NAME=<your-model> \
+  hosted-agent-sample
+```
+
+The server will be available at `http://localhost:8088`. You can send requests using the same `curl` command shown above.
+
+## Deploying to Foundry
+
+Follow this [guide](https://learn.microsoft.com/en-us/azure/foundry/agents/how-to/deploy-hosted-agent?tabs=bash#configure-your-agent) to deploy your agent to Foundry.

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/.env.example

@@ -0,0 +1,2 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/README.md

@@ -0,0 +1,44 @@
+# Basic example of hosting an agent with the `invocations` API
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+### Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "message" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/invocations -i -H "Content-Type: application/json" -d '{"message": "Hi"}'
+```
+
+The server will respond with a JSON object containing the response text. The `-i` flag in the `curl` command includes the HTTP response headers in the output, which includes the session ID that can be used for multi-turn conversations. Here is an example of the response:
+
+```bash
+HTTP/1.1 200
+content-length: 34
+content-type: application/json
+x-agent-invocation-id: ec04d020-a0e7-441e-ae83-db75635a9f83
+x-agent-session-id: 9370b9d4-cd13-4436-a57f-03b843ac0e17
+x-platform-server: azure-ai-agentserver-core/2.0.0a20260410006 (python/3.12)
+date: Fri, 17 Apr 2026 23:46:44 GMT
+server: hypercorn-h11
+
+{"response":"Hi! How can I help?"}
+```
+
+### Multi-turn conversation
+
+To have a multi-turn conversation with the agent, take the session ID from the response headers of the previous request and include it in URL parameters for the next request. For example:
+
+```bash
+curl -X POST http://localhost:8088/invocations?agent_session_id=9370b9d4-cd13-4436-a57f-03b843ac0e17 -i -H "Content-Type: application/json" -d '{"message": "How are you?"}'
+```

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/agent.manifest.yaml

@@ -0,0 +1,23 @@
+name: agent-framework-agent-basic-invocations
+description: >
+  A basic Agent Framework agent hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Invocations Protocol
+    - Streaming
+template:
+  name: agent-framework-agent-basic-invocations
+  kind: hosted
+  protocols:
+    - protocol: invocations
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/agent.yaml

@@ -0,0 +1,9 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/AgentSchema/refs/heads/main/schemas/v1.0/ContainerAgent.yaml
+kind: hosted
+name: agent-framework-agent-basic-invocations
+protocols:
+  - protocol: invocations
+    version: 1.0.0
+resources:
+  cpu: '0.25'
+  memory: '0.5Gi'

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/main.py

@@ -0,0 +1,36 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+
+from agent_framework import Agent
+from agent_framework.foundry import FoundryChatClient
+from agent_framework_foundry_hosting import InvocationsHostServer
+from azure.identity import AzureCliCredential
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+def main():
+    client = FoundryChatClient(
+        project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+        model=os.environ["MODEL_DEPLOYMENT_NAME"],
+        credential=AzureCliCredential(),
+    )
+
+    agent = Agent(
+        client=client,
+        instructions="You are a friendly assistant. Keep your answers brief.",
+        # History will be managed by the hosting infrastructure, thus there
+        # is no need to store history by the service. Learn more at:
+        # https://developers.openai.com/api/reference/resources/responses/methods/create
+        default_options={"store": False},
+    )
+
+    server = InvocationsHostServer(agent)
+    server.run()
+
+
+if __name__ == "__main__":
+    main()

python/samples/04-hosting/foundry-hosted-agents/invocations/01_basic/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+agent-framework-foundry-hosting

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/.env.example

@@ -0,0 +1,2 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/README.md

@@ -0,0 +1,46 @@
+# Basic example of hosting an agent with the `invocations` API
+
+This is the same as the [01_basic](../01_basic/README.md) example, but demonstrates the "break glass" scenario where you can create your own `invoke_handler` to handle specific types of invocations. This is useful when you want to override the default behavior for certain requests or add custom processing logic.
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+### Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "message" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/invocations -i -H "Content-Type: application/json" -d '{"message": "Hi"}'
+```
+
+The server will respond with a JSON object containing the response text. The `-i` flag in the `curl` command includes the HTTP response headers in the output, which includes the session ID that can be used for multi-turn conversations. Here is an example of the response:
+
+```bash
+HTTP/1.1 200
+content-length: 34
+content-type: application/json
+x-agent-invocation-id: ec04d020-a0e7-441e-ae83-db75635a9f83
+x-agent-session-id: 9370b9d4-cd13-4436-a57f-03b843ac0e17
+x-platform-server: azure-ai-agentserver-core/2.0.0a20260410006 (python/3.12)
+date: Fri, 17 Apr 2026 23:46:44 GMT
+server: hypercorn-h11
+
+{"response":"Hi! How can I help?"}
+```
+
+### Multi-turn conversation
+
+To have a multi-turn conversation with the agent, take the session ID from the response headers of the previous request and include it in URL parameters for the next request. For example:
+
+```bash
+curl -X POST http://localhost:8088/invocations?agent_session_id=9370b9d4-cd13-4436-a57f-03b843ac0e17 -i -H "Content-Type: application/json" -d '{"message": "How are you?"}'
+```

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/agent.manifest.yaml

@@ -0,0 +1,23 @@
+name: agent-framework-agent-basic-invocations
+description: >
+  A basic Agent Framework agent hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Invocations Protocol
+    - Streaming
+template:
+  name: agent-framework-agent-basic-invocations
+  kind: hosted
+  protocols:
+    - protocol: invocations
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/agent.yaml

@@ -0,0 +1,9 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/AgentSchema/refs/heads/main/schemas/v1.0/ContainerAgent.yaml
+kind: hosted
+name: agent-framework-agent-basic-invocations
+protocols:
+  - protocol: invocations
+    version: 1.0.0
+resources:
+  cpu: '0.25'
+  memory: '0.5Gi'

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/main.py

@@ -0,0 +1,74 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+from collections.abc import AsyncGenerator
+
+from agent_framework import Agent, AgentSession
+from agent_framework.foundry import FoundryChatClient
+from azure.ai.agentserver.invocations import InvocationAgentServerHost
+from azure.identity import DefaultAzureCredential
+from dotenv import load_dotenv
+from starlette.requests import Request
+from starlette.responses import JSONResponse, Response, StreamingResponse
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+# In-memory session store — keyed by session ID.
+# WARNING: This is lost on restart. Use durable storage in production.
+_sessions: dict[str, AgentSession] = {}
+
+# Create the agent
+client = FoundryChatClient(
+    project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+    model=os.environ["MODEL_DEPLOYMENT_NAME"],
+    credential=DefaultAzureCredential(),
+)
+
+agent = Agent(
+    client=client,
+    instructions="You are a friendly assistant. Keep your answers brief.",
+    # History will be managed by the hosting infrastructure, thus there
+    # is no need to store history by the service. Learn more at:
+    # https://developers.openai.com/api/reference/resources/responses/methods/create
+    default_options={"store": False},
+)
+
+app = InvocationAgentServerHost()
+
+
+@app.invoke_handler
+async def handle_invoke(request: Request):
+    """Handle streaming multi-turn chat with Azure OpenAI via SSE."""
+    data = await request.json()
+    session_id = request.state.session_id
+
+    stream = data.get("stream", False)
+    user_message = data.get("message", None)
+    if user_message is None:
+        error = "Missing 'message' in request"
+        if stream:
+            return StreamingResponse(content=error, status_code=400)
+        return Response(content=error, status_code=400)
+
+    session = _sessions.setdefault(session_id, AgentSession(session_id=session_id))
+
+    if stream:
+
+        async def stream_response() -> AsyncGenerator[str]:
+            async for update in agent.run(user_message, session=session, stream=True):
+                yield update.text
+
+        return StreamingResponse(
+            stream_response(),
+            media_type="text/event-stream",
+            headers={"Cache-Control": "no-cache", "Connection": "keep-alive"},
+        )
+
+    response = await agent.run([user_message], session=session, stream=stream)
+    return JSONResponse({"response": response.text})
+
+
+if __name__ == "__main__":
+    app.run()

python/samples/04-hosting/foundry-hosted-agents/invocations/02_break_glass/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+azure-ai-agentserver-invocations

python/samples/04-hosting/foundry-hosted-agents/invocations/README.md

@@ -0,0 +1,8 @@
+# Hosting agents with Foundry Hosting and the `invocations` API
+
+This folder contains a list of samples that show how to host agents using the `invocations` API and deploy them to Foundry Hosting.
+
+| Sample | Description |
+| --- | --- |
+| [01_basic](./01_basic) | A basic example of hosting an agent with the `invocations` API and carrying on a multi-turn conversation. |
+| [02_break_glass](./02_break_glass) | An example of hosting an agent with the `invocations` API and a "break glass" scenario where you can create your own `invoke_handler` to handle specific types of invocations. |

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/.env.example

@@ -0,0 +1,2 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/README.md

@@ -0,0 +1,31 @@
+# Basic example of hosting an agent with the `responses` API
+
+This agent only contains an instruction (personal). It's the most basic agent with an LLM and no tools.
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+## Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "input" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "Hi"}'
+```
+
+## Multi-turn conversation
+
+To have a multi-turn conversation with the agent, include the previous response id in the request body. For example:
+
+```bash
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "How are you?", "previous_response_id": "REPLACE_WITH_PREVIOUS_RESPONSE_ID"}'
+```

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/agent.manifest.yaml

@@ -0,0 +1,23 @@
+name: agent-framework-agent-basic
+description: >
+  A basic Agent Framework agent hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Responses Protocol
+    - Streaming
+template:
+  name: agent-framework-agent-basic
+  kind: hosted
+  protocols:
+    - protocol: responses
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/agent.yaml

@@ -0,0 +1,8 @@
+kind: hosted
+name: agent-framework-agent-basic
+protocols:
+  - protocol: responses
+    version: 1.0.0
+resources:
+  cpu: "0.25"
+  memory: 0.5Gi

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/main.py

@@ -0,0 +1,36 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+
+from agent_framework import Agent
+from agent_framework.foundry import FoundryChatClient
+from agent_framework_foundry_hosting import ResponsesHostServer
+from azure.identity import AzureCliCredential
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+def main():
+    client = FoundryChatClient(
+        project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+        model=os.environ["MODEL_DEPLOYMENT_NAME"],
+        credential=AzureCliCredential(),
+    )
+
+    agent = Agent(
+        client=client,
+        instructions="You are a friendly assistant. Keep your answers brief.",
+        # History will be managed by the hosting infrastructure, thus there
+        # is no need to store history by the service. Learn more at:
+        # https://developers.openai.com/api/reference/resources/responses/methods/create
+        default_options={"store": False},
+    )
+
+    server = ResponsesHostServer(agent)
+    server.run()
+
+
+if __name__ == "__main__":
+    main()

python/samples/04-hosting/foundry-hosted-agents/responses/01_basic/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+agent-framework-foundry-hosting

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/.env.example

@@ -0,0 +1,2 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/Dockerfile

@@ -1,11 +1,11 @@
-FROM python:3.14-slim
+FROM python:3.12-slim
 
 WORKDIR /app
 
-COPY ./ .
+COPY . user_agent/
+WORKDIR /app/user_agent
 
-RUN pip install --upgrade pip && \
-    if [ -f requirements.txt ]; then \
+RUN if [ -f requirements.txt ]; then \
         pip install -r requirements.txt; \
     else \
         echo "No requirements.txt found"; \
@@ -13,4 +13,4 @@ RUN pip install --upgrade pip && \
 
 EXPOSE 8088
 
-CMD ["python", "main.py"]
+CMD ["python", "main.py"]

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/README.md

@@ -0,0 +1,27 @@
+# Basic example of hosting an agent with the `responses` API and local tools
+
+This agent is equipped with a function tool and a local shell tool.
+
+> We recommend deploying this sample on a local container or to Foundry Hosting because the agent has access to a local shell tool, which can run arbitrary commands on the machine.
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+## Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "input" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "What is the weather in Seattle?"}'
+
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "List the files in the current directory."}'
+```

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/agent.manifest.yaml

@@ -0,0 +1,23 @@
+name: agent-framework-agent-with-local-tools
+description: >
+  An Agent Framework agent with local tools hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Responses Protocol
+    - Streaming
+template:
+  name: agent-framework-agent-with-local-tools
+  kind: hosted
+  protocols:
+    - protocol: responses
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/agent.yaml

@@ -0,0 +1,8 @@
+kind: hosted
+name: agent-framework-agent-with-local-tools
+protocols:
+  - protocol: responses
+    version: 1.0.0
+resources:
+  cpu: "0.25"
+  memory: 0.5Gi

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/main.py

@@ -0,0 +1,74 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+import subprocess
+from random import randint
+
+from agent_framework import Agent, tool
+from agent_framework.foundry import FoundryChatClient
+from agent_framework_foundry_hosting import ResponsesHostServer
+from azure.identity import AzureCliCredential
+from dotenv import load_dotenv
+from pydantic import Field
+from typing import Annotated
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+@tool(approval_mode="never_require")
+def get_weather(
+    location: Annotated[str, Field(description="The location to get the weather for.")],
+) -> str:
+    """Get the weather for a given location."""
+    conditions = ["sunny", "cloudy", "rainy", "stormy"]
+    return f"The weather in {location} is {conditions[randint(0, 3)]} with a high of {randint(10, 30)}°C."
+
+
+@tool(approval_mode="always_require")
+def run_bash(command: str) -> str:
+    """Execute a shell command locally and return stdout, stderr, and exit code."""
+    try:
+        result = subprocess.run(
+            command,
+            shell=True,
+            capture_output=True,
+            text=True,
+            timeout=30,
+        )
+        parts: list[str] = []
+        if result.stdout:
+            parts.append(result.stdout)
+        if result.stderr:
+            parts.append(f"stderr: {result.stderr}")
+        parts.append(f"exit_code: {result.returncode}")
+        return "\n".join(parts)
+    except subprocess.TimeoutExpired:
+        return "Command timed out after 30 seconds"
+    except Exception as e:
+        return f"Error executing command: {e}"
+
+
+def main():
+    client = FoundryChatClient(
+        project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+        model=os.environ["MODEL_DEPLOYMENT_NAME"],
+        credential=AzureCliCredential(),
+    )
+
+    agent = Agent(
+        client=client,
+        instructions="You are a friendly assistant. Keep your answers brief.",
+        tools=[get_weather, run_bash],
+        # History will be managed by the hosting infrastructure, thus there
+        # is no need to store history by the service. Learn more at:
+        # https://developers.openai.com/api/reference/resources/responses/methods/create
+        default_options={"store": False},
+    )
+
+    server = ResponsesHostServer(agent)
+    server.run()
+
+
+if __name__ == "__main__":
+    main()

python/samples/04-hosting/foundry-hosted-agents/responses/02_local_tools/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+agent-framework-foundry-hosting

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/.env.example

@@ -0,0 +1,4 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."
+TOOLBOX_NAME="..."
+GITHUB_PAT="..."

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/Dockerfile

@@ -1,11 +1,11 @@
-FROM python:3.14-slim
+FROM python:3.12-slim
 
 WORKDIR /app
 
-COPY ./ .
+COPY . user_agent/
+WORKDIR /app/user_agent
 
-RUN pip install --upgrade pip && \
-    if [ -f requirements.txt ]; then \
+RUN if [ -f requirements.txt ]; then \
         pip install -r requirements.txt; \
     else \
         echo "No requirements.txt found"; \
@@ -13,4 +13,4 @@ RUN pip install --upgrade pip && \
 
 EXPOSE 8088
 
-CMD ["python", "main.py"]
+CMD ["python", "main.py"]

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/README.md

@@ -0,0 +1,25 @@
+# Basic example of hosting an agent with the `responses` API and a remote MCP
+
+This agent is equipped with a GitHub MCP server and a Foundry Toolbox, which are both remote MCPs.
+
+> Note that there are other ways to interact with Foundry toolboxes. Using it as a MCP is just one of the options.
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+## Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "input" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "List all the repositories I own on GitHub."}'
+```

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/agent.manifest.yaml

@@ -0,0 +1,27 @@
+name: agent-framework-agent-with-remote-mcp-tools
+description: >
+  An Agent Framework agent with remote MCP tools hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Responses Protocol
+    - Streaming
+template:
+  name: agent-framework-agent-with-remote-mcp-tools
+  kind: hosted
+  protocols:
+    - protocol: responses
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+    - name: GITHUB_PAT
+      value: ${GITHUB_PAT}
+    - name: TOOLBOX_NAME
+      value: ${TOOLBOX_NAME}
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/agent.yaml

@@ -0,0 +1,8 @@
+kind: hosted
+name: agent-framework-agent-with-remote-mcp-tools
+protocols:
+  - protocol: responses
+    version: 1.0.0
+resources:
+  cpu: "0.25"
+  memory: 0.5Gi

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/main.py

@@ -0,0 +1,76 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+
+import httpx
+from agent_framework import Agent, MCPStreamableHTTPTool
+from agent_framework.foundry import FoundryChatClient
+from agent_framework_foundry_hosting import ResponsesHostServer
+from azure.identity import AzureCliCredential
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+class ToolboxAuth(httpx.Auth):
+    """httpx Auth that injects a fresh bearer token on every request."""
+
+    def auth_flow(self, request: httpx.Request):
+        credential = AzureCliCredential()
+        token = credential.get_token("https://ai.azure.com/.default").token
+        request.headers["Authorization"] = f"Bearer {token}"
+        yield request
+
+
+def main():
+    client = FoundryChatClient(
+        project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+        model=os.environ["MODEL_DEPLOYMENT_NAME"],
+        credential=AzureCliCredential(),
+    )
+
+    # Foundry Toolbox as a MCP tool
+    project_endpoint = os.environ["FOUNDRY_PROJECT_ENDPOINT"]
+    toolbox_name = os.environ["TOOLBOX_NAME"]
+    toolbox_endpoint = f"{project_endpoint.rstrip('/')}/toolboxes/{toolbox_name}/mcp?api-version=v1"
+    http_client = httpx.AsyncClient(auth=ToolboxAuth(), headers={"Foundry-Features": "Toolboxes=V1Preview"})
+    foundry_mcp_tool = MCPStreamableHTTPTool(
+        name="toolbox",
+        url=toolbox_endpoint,
+        http_client=http_client,
+        load_prompts=False,
+    )
+
+    # GitHub MCP server
+    github_pat = os.environ["GITHUB_PAT"]
+    if not github_pat:
+        raise ValueError(
+            "GITHUB_PAT environment variable must be set. Create a token at https://github.com/settings/tokens"
+        )
+
+    github_mcp_tool = client.get_mcp_tool(
+        name="GitHub",
+        url="https://api.githubcopilot.com/mcp/",
+        headers={
+            "Authorization": f"Bearer {github_pat}",
+        },
+        approval_mode="never_require",
+    )
+
+    agent = Agent(
+        client=client,
+        instructions="You are a friendly assistant. Keep your answers brief.",
+        tools=[foundry_mcp_tool, github_mcp_tool],
+        # History will be managed by the hosting infrastructure, thus there
+        # is no need to store history by the service. Learn more at:
+        # https://developers.openai.com/api/reference/resources/responses/methods/create
+        default_options={"store": False},
+    )
+
+    server = ResponsesHostServer(agent)
+    server.run()
+
+
+if __name__ == "__main__":
+    main()

python/samples/04-hosting/foundry-hosted-agents/responses/03_remote_mcp/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+agent-framework-foundry-hosting

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/.dockerignore

@@ -0,0 +1,6 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/.env.example

@@ -0,0 +1,2 @@
+FOUNDRY_PROJECT_ENDPOINT="..."
+MODEL_DEPLOYMENT_NAME="..."

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY . user_agent/
+WORKDIR /app/user_agent
+
+RUN if [ -f requirements.txt ]; then \
+        pip install -r requirements.txt; \
+    else \
+        echo "No requirements.txt found"; \
+    fi
+
+EXPOSE 8088
+
+CMD ["python", "main.py"]

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/README.md

@@ -0,0 +1,23 @@
+# Basic example of hosting an agent with the `responses` API and a workflow
+
+This sample demonstrates how to host a workflow using the `responses` API.
+
+## Running the server locally
+
+### Environment setup
+
+Follow the instructions in the [Environment setup](../../README.md#environment-setup) section of the README in the parent directory to set up your environment and install dependencies.
+
+Run the following command to start the server:
+
+```bash
+python main.py
+```
+
+## Interacting with the agent
+
+Send a POST request to the server with a JSON body containing a "input" field to interact with the agent. For example:
+
+```bash
+curl -X POST http://localhost:8088/responses -H "Content-Type: application/json" -d '{"input": "Create a slogan for a new electric SUV that is affordable and fun to drive."}'
+```

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/agent.manifest.yaml

@@ -0,0 +1,23 @@
+name: agent-framework-workflows
+description: >
+  An Agent Framework workflow hosted by Foundry.
+metadata:
+  tags:
+    - Agent Framework
+    - AI Agent Hosting
+    - Azure AI AgentServer
+    - Responses Protocol
+    - Streaming
+template:
+  name: agent-framework-workflows
+  kind: hosted
+  protocols:
+    - protocol: responses
+      version: 1.0.0
+  environment_variables:
+    - name: MODEL_DEPLOYMENT_NAME
+      value: "{{MODEL_DEPLOYMENT_NAME}}"
+resources:
+  - kind: model
+    id: gpt-4.1-mini
+    name: MODEL_DEPLOYMENT_NAME

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/agent.yaml

@@ -0,0 +1,8 @@
+kind: hosted
+name: agent-framework-workflows
+protocols:
+  - protocol: responses
+    version: 1.0.0
+resources:
+  cpu: "0.25"
+  memory: 0.5Gi

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/main.py

@@ -0,0 +1,70 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import os
+
+from agent_framework import Agent, AgentExecutor, WorkflowBuilder
+from agent_framework.foundry import FoundryChatClient
+from agent_framework_foundry_hosting import ResponsesHostServer
+from azure.identity import AzureCliCredential
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+def main():
+    client = FoundryChatClient(
+        project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
+        model=os.environ["MODEL_DEPLOYMENT_NAME"],
+        credential=AzureCliCredential(),
+    )
+
+    writer_agent = Agent(
+        client=client,
+        instructions=("You are an excellent slogan writer. You create new slogans based on the given topic."),
+        name="writer",
+    )
+
+    legal_agent = Agent(
+        client=client,
+        instructions=(
+            "You are an excellent legal reviewer. "
+            "Make necessary corrections to the slogan so that it is legally compliant."
+        ),
+        name="legal_reviewer",
+    )
+
+    format_agent = Agent(
+        client=client,
+        instructions=(
+            "You are an excellent content formatter. "
+            "You take the slogan and format it in a cool retro style when printing to a terminal."
+        ),
+        name="formatter",
+    )
+
+    # Set the context mode to `last_agent` so that each agent only sees the output of the
+    # previous agent instead of the full conversation history
+    writer_executor = AgentExecutor(writer_agent, context_mode="last_agent")
+    legal_executor = AgentExecutor(legal_agent, context_mode="last_agent")
+    format_executor = AgentExecutor(format_agent, context_mode="last_agent")
+
+    workflow_agent = (
+        WorkflowBuilder(
+            start_executor=writer_executor,
+            # Limiting the output to only the final formatted result.
+            # If this is not set, all intermediate results will be included in the output.
+            output_executors=[format_executor],
+        )
+        .add_edge(writer_executor, legal_executor)
+        .add_edge(legal_executor, format_executor)
+        .build()
+        .as_agent()
+    )
+
+    server = ResponsesHostServer(workflow_agent)
+    server.run()
+
+
+if __name__ == "__main__":
+    main()

python/samples/04-hosting/foundry-hosted-agents/responses/04_workflows/requirements.txt

@@ -0,0 +1,2 @@
+agent-framework
+agent-framework-foundry-hosting

python/samples/04-hosting/foundry-hosted-agents/responses/README.md

@@ -0,0 +1,11 @@
+# Hosting agents with Foundry Hosting and the `responses` API
+
+This folder contains a list of samples that show how to host agents using the `responses` API and deploy them to Foundry Hosting.
+
+| Sample | Description |
+| --- | --- |
+| [01_basic](./01_basic) | A basic example of hosting an agent with the `responses` API and carrying on a multi-turn conversation. |
+| [02_local_tools](./02_local_tools) | An example of hosting an agent with the `responses` API and local tools including a function tool and a local shell tool. |
+| [03_remote_mcp](./03_remote_mcp) | An example of hosting an agent with the `responses` API and remote MCPs, including a GitHub MCP server and a Foundry Toolbox. |
+| [04_workflows](./04_workflows) | An example of hosting a workflow with the `responses` API. |
+| [using_deployed_agent.py](./using_deployed_agent.py) | An example of how to use the deployed agent in Agent Framework. |

python/samples/04-hosting/foundry-hosted-agents/responses/using_deployed_agent.py

@@ -0,0 +1,50 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import asyncio
+
+from agent_framework import Agent, AgentResponse, AgentResponseUpdate, ResponseStream
+from agent_framework.openai import OpenAIChatClient
+from typing_extensions import Any
+
+"""
+This script demonstrates how to talk to a deployed agent using the OpenAIChatClient.
+
+Depending on where you have deployed your agent (local or Foundry Hosting), you may
+need to change the base_url when initializing the OpenAIChatClient.
+"""
+
+
+async def print_streaming_response(streaming_response: ResponseStream[AgentResponseUpdate, AgentResponse[Any]]) -> None:
+    async for chunk in streaming_response:
+        if chunk.text:
+            print(chunk.text, end="", flush=True)
+
+
+async def main() -> None:
+    agent = Agent(client=OpenAIChatClient(base_url="http://localhost:8088"))
+    session = agent.create_session()
+
+    # First turn
+    query = "Hi!"
+    print(f"User: {query}")
+    print("Agent: ", end="", flush=True)
+    streaming_response = agent.run(query, session=session, stream=True)
+    await print_streaming_response(streaming_response)
+
+    # Second turn
+    query = "Your name is Javis. What can you do?"
+    print(f"\nUser: {query}")
+    print("Agent: ", end="", flush=True)
+    streaming_response = agent.run(query, session=session, stream=True)
+    await print_streaming_response(streaming_response)
+
+    # Third turn
+    query = "What is your name?"
+    print(f"\nUser: {query}")
+    print("Agent: ", end="", flush=True)
+    streaming_response = agent.run(query, session=session, stream=True)
+    await print_streaming_response(streaming_response)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

python/samples/05-end-to-end/hosted_agents/README.md

@@ -1,145 +0,0 @@
-# Hosted Agent Samples
-
-These samples demonstrate how to build and host AI agents in Python using the [Azure AI AgentServer SDK](https://pypi.org/project/azure-ai-agentserver-agentframework/) together with Microsoft Agent Framework. Each sample runs locally as a hosted agent and includes `Dockerfile` and `agent.yaml` assets for deployment to Microsoft Foundry.
-
-## Samples
-
-| Sample                                                                        | Description                                                                                           |
-| ----------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- |
-| [`agent_with_hosted_mcp`](./agent_with_hosted_mcp/)                           | Hosted MCP tool that connects to Microsoft Learn via `https://learn.microsoft.com/api/mcp`            |
-| [`agent_with_text_search_rag`](./agent_with_text_search_rag/)                 | Retrieval-augmented generation using a custom `ContextProvider` with Contoso Outdoors sample data |
-| [`agents_in_workflow`](./agents_in_workflow/)                                 | Concurrent workflow that combines researcher, marketer, and legal specialist agents                   |
-| [`agent_with_local_tools`](./agent_with_local_tools/)                         | Local Python tool execution for Seattle hotel search                                                  |
-| [`writer_reviewer_agents_in_workflow`](./writer_reviewer_agents_in_workflow/) | Writer/Reviewer workflow using `FoundryChatClient`                                                    |
-
-## Common Prerequisites
-
-Before running any sample, ensure you have:
-
-1. Python 3.10 or later
-2. [Azure CLI](https://learn.microsoft.com/cli/azure/install-azure-cli) installed
-3. An Azure OpenAI resource or a Microsoft Foundry project with a chat model deployment
-
-### Authenticate with Azure CLI
-
-All samples rely on Azure credentials. For local development, the simplest approach is Azure CLI authentication:
-
-```powershell
-az login
-az account show
-```
-
-## Running a Sample
-
-Each sample folder contains its own `requirements.txt`. Run commands from the specific sample directory you want to try.
-
-### Recommended: `uv`
-
-The sample dependencies include preview packages, so allow prerelease installs:
-
-```powershell
-cd <sample-directory>
-uv venv .venv
-uv pip install --prerelease=allow -r requirements.txt
-uv run main.py
-```
-
-### Alternative: `venv`
-
-Windows PowerShell:
-
-```powershell
-cd <sample-directory>
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-pip install -r requirements.txt
-python main.py
-```
-
-macOS/Linux:
-
-```bash
-cd <sample-directory>
-python -m venv .venv
-source .venv/bin/activate
-pip install -r requirements.txt
-python main.py
-```
-
-Each sample starts a hosted agent locally on `http://localhost:8088/`.
-
-## Environment Variable Setup
-
-You can either export variables in your shell or create a local `.env` file in the sample directory.
-
-Example `.env` for Azure OpenAI samples:
-
-```dotenv
-AZURE_OPENAI_ENDPOINT=https://<your-openai-resource>.openai.azure.com/
-AZURE_OPENAI_MODEL=gpt-4.1
-```
-
-Example `.env` for Foundry project samples:
-
-```dotenv
-FOUNDRY_PROJECT_ENDPOINT=https://<your-resource>.services.ai.azure.com/api/projects/<your-project>
-FOUNDRY_MODEL=gpt-4.1
-```
-
-## Interacting with the Agent
-
-After starting a sample, send requests to the Responses endpoint.
-
-PowerShell:
-
-```powershell
-$body = @{
-		input = "Your question here"
-		stream = $false
-} | ConvertTo-Json
-
-Invoke-RestMethod -Uri "http://localhost:8088/responses" -Method Post -Body $body -ContentType "application/json"
-```
-
-curl:
-
-```bash
-curl -sS -H "Content-Type: application/json" -X POST http://localhost:8088/responses \
-	-d '{"input":"Your question here","stream":false}'
-```
-
-Example prompts by sample:
-
-| Sample                               | Example input                                                                |
-| ------------------------------------ | ---------------------------------------------------------------------------- |
-| `agent_with_hosted_mcp`              | `What does Microsoft Learn say about managed identities in Azure?`           |
-| `agent_with_text_search_rag`         | `What is Contoso Outdoors' return policy for refunds?`                       |
-| `agents_in_workflow`                 | `Create a launch strategy for a budget-friendly electric SUV.`               |
-| `agent_with_local_tools`             | `Find me Seattle hotels from 2025-03-15 to 2025-03-18 under $200 per night.` |
-| `writer_reviewer_agents_in_workflow` | `Write a slogan for a new affordable electric SUV.`                          |
-
-## Deploying to Microsoft Foundry
-
-Each sample includes a `Dockerfile` and `agent.yaml` for deployment. For deployment steps, follow the hosted agents guidance in Microsoft Foundry:
-
-- [Hosted agents overview](https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents)
-- [Create a hosted agent with CLI](https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents?tabs=cli#create-a-hosted-agent)
-- [Create a hosted agent in Visual Studio Code](https://learn.microsoft.com/en-us/azure/foundry/agents/how-to/vs-code-agents-workflow-pro-code?tabs=windows-powershell&pivots=python)
-
-## Troubleshooting
-
-### Missing Azure credentials
-
-If startup fails with authentication errors, run `az login` and verify the selected subscription with `az account show`.
-
-### Preview package install issues
-
-These samples depend on preview packages such as `azure-ai-agentserver-agentframework`. Use `uv pip install --prerelease=allow -r requirements.txt` or `pip install -r requirements.txt`.
-
-### ARM64 container images fail after deployment
-
-If you build images locally on ARM64 hardware such as Apple Silicon, build for `linux/amd64`:
-
-```bash
-docker build --platform=linux/amd64 -t image .
-```

python/samples/05-end-to-end/hosted_agents/agent_with_hosted_mcp/agent.yaml

@@ -1,30 +0,0 @@
-# Unique identifier/name for this agent
-name: agent-with-hosted-mcp
-# Brief description of what this agent does
-description: >
-  An AI agent that uses Azure OpenAI with a Hosted Model Context Protocol (MCP) server.
-  The agent answers questions by searching Microsoft Learn documentation using MCP tools.
-metadata:
-  # Categorization tags for organizing and discovering agents
-  authors:
-    - Microsoft Agent Framework Team
-  tags:
-    - Azure AI AgentServer
-    - Microsoft Agent Framework
-    - Model Context Protocol
-    - MCP
-template:
-  name: agent-with-hosted-mcp
-  # The type of agent - "hosted" for HOBO, "container" for COBO
-  kind: hosted
-  protocols:
-    - protocol: responses
-  environment_variables:
-    - name: AZURE_OPENAI_ENDPOINT
-      value: ${AZURE_OPENAI_ENDPOINT}
-    - name: AZURE_OPENAI_MODEL
-      value: "{{chat}}"
-resources:
-  - kind: model
-    id: gpt-4o-mini
-    name: chat

python/samples/05-end-to-end/hosted_agents/agent_with_hosted_mcp/main.py

@@ -1,34 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-from agent_framework import Agent
-from agent_framework.foundry import FoundryChatClient
-from azure.ai.agentserver.agentframework import from_agent_framework  # pyright: ignore[reportUnknownVariableType]
-from azure.identity import AzureCliCredential
-from dotenv import load_dotenv
-
-# Load environment variables from .env file
-load_dotenv()
-
-
-def main():
-    client = FoundryChatClient(credential=AzureCliCredential())
-
-    # Create MCP tool configuration as dict
-    mcp_tool = client.get_mcp_tool(
-        name="Microsoft_Learn_MCP",
-        url="https://learn.microsoft.com/api/mcp",
-    )
-
-    # Create an Agent using the Azure OpenAI Chat Client with a MCP Tool that connects to Microsoft Learn MCP
-    agent = Agent(
-        client=client,
-        name="DocsAgent",
-        instructions="You are a helpful assistant that can help with microsoft documentation questions.",
-        tools=[mcp_tool],
-    )
-    # Run the agent as a hosted agent
-    from_agent_framework(agent).run()
-
-
-if __name__ == "__main__":
-    main()

python/samples/05-end-to-end/hosted_agents/agent_with_hosted_mcp/requirements.txt

@@ -1,2 +0,0 @@
-azure-ai-agentserver-agentframework==1.0.0b16
-agent-framework

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/.dockerignore

@@ -1,66 +0,0 @@
-# Virtual environments
-.venv/
-venv/
-env/
-.python-version
-
-# Environment files with secrets
-.env
-.env.*
-*.local
-
-# Python build artifacts
-__pycache__/
-*.py[cod]
-*$py.class
-*.so
-.Python
-build/
-develop-eggs/
-dist/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-var/
-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-
-# Testing
-.tox/
-.nox/
-.coverage
-.coverage.*
-htmlcov/
-.pytest_cache/
-.mypy_cache/
-
-# IDE and OS files
-.DS_Store
-.idea/
-.vscode/
-*.swp
-*.swo
-*~
-
-# Foundry config
-.foundry/
-build-source-*/
-
-# Git
-.git/
-.gitignore
-
-# Docker
-.dockerignore
-
-# Documentation
-docs/
-*.md
-!README.md
-LICENSE

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/.env.sample

@@ -1,3 +0,0 @@
-# IMPORTANT: Never commit .env to version control - add it to .gitignore
-FOUNDRY_PROJECT_ENDPOINT=
-FOUNDRY_MODEL=

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/README.md

@@ -1,162 +0,0 @@
-**IMPORTANT!** All samples and other resources made available in this GitHub repository ("samples") are designed to assist in accelerating development of agents, solutions, and agent workflows for various scenarios. Review all provided resources and carefully test output behavior in the context of your use case. AI responses may be inaccurate and AI actions should be monitored with human oversight. Learn more in the transparency documents for [Agent Service](https://learn.microsoft.com/en-us/azure/ai-foundry/responsible-ai/agents/transparency-note) and [Agent Framework](https://github.com/microsoft/agent-framework/blob/main/TRANSPARENCY_FAQ.md).
-
-Agents, solutions, or other output you create may be subject to legal and regulatory requirements, may require licenses, or may not be suitable for all industries, scenarios, or use cases. By using any sample, you are acknowledging that any output created using those samples are solely your responsibility, and that you will comply with all applicable laws, regulations, and relevant safety standards, terms of service, and codes of conduct.
-
-Third-party samples contained in this folder are subject to their own designated terms, and they have not been tested or verified by Microsoft or its affiliates.
-
-Microsoft has no responsibility to you or others with respect to any of these samples or any resulting output.
-
-# What this sample demonstrates
-
-This sample demonstrates a **key advantage of code-based hosted agents**:
-
-- **Local Python tool execution** - Run custom Python functions as agent tools
-
-Code-based agents can execute **any Python code** you write. This sample includes a Seattle Hotel Agent with a `get_available_hotels` tool that searches for available hotels based on check-in/check-out dates and budget preferences.
-
-The agent is hosted using the [Azure AI AgentServer SDK](https://pypi.org/project/azure-ai-agentserver-agentframework/) and can be deployed to Microsoft Foundry using the Azure Developer CLI.
-
-## How It Works
-
-### Local Tools Integration
-
-In [main.py](main.py), the agent uses a local Python function (`get_available_hotels`) that simulates a hotel availability API. This demonstrates how code-based agents can execute custom server-side logic that prompt agents cannot access.
-
-The tool accepts:
-
-- **check_in_date** - Check-in date in YYYY-MM-DD format
-- **check_out_date** - Check-out date in YYYY-MM-DD format
-- **max_price** - Maximum price per night in USD (optional, defaults to $500)
-
-### Agent Hosting
-
-The agent is hosted using the [Azure AI AgentServer SDK](https://pypi.org/project/azure-ai-agentserver-agentframework/),
-which provisions a REST API endpoint compatible with the OpenAI Responses protocol.
-
-### Agent Deployment
-
-The hosted agent can be deployed to Microsoft Foundry using the Azure Developer CLI [ai agent](https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents?view=foundry&tabs=cli#create-a-hosted-agent) extension.
-
-## Running the Agent Locally
-
-### Prerequisites
-
-Before running this sample, ensure you have:
-
-1. **Microsoft Foundry Project**
-   - Project created in [Microsoft Foundry](https://learn.microsoft.com/en-us/azure/ai-foundry/what-is-foundry?view=foundry#microsoft-foundry-portals)
-   - Chat model deployed (e.g., `gpt-4o` or `gpt-4.1`)
-   - Note your project endpoint URL and model deployment name
-
-2. **Azure CLI**
-   - Installed and authenticated
-   - Run `az login` and verify with `az account show`
-
-3. **Python 3.10 or higher**
-   - Verify your version: `python --version`
-
-### Environment Variables
-
-Set the following environment variables (matching `agent.yaml`):
-
-- `FOUNDRY_PROJECT_ENDPOINT` - Your Microsoft Foundry project endpoint URL (required)
-- `FOUNDRY_MODEL` - The deployment name for your chat model (defaults to `gpt-4.1-mini`)
-
-This sample loads environment variables from a local `.env` file if present.
-
-Create a `.env` file in this directory with the following content:
-
-```
-FOUNDRY_PROJECT_ENDPOINT=https://<your-resource>.services.ai.azure.com/api/projects/<your-project>
-FOUNDRY_MODEL=gpt-4.1-mini
-```
-
-Or set them via PowerShell:
-
-```powershell
-# Replace with your actual values
-$env:FOUNDRY_PROJECT_ENDPOINT="https://<your-resource>.services.ai.azure.com/api/projects/<your-project>"
-$env:FOUNDRY_MODEL="gpt-4.1-mini"
-```
-
-### Running the Sample
-
-**Recommended (`uv`):**
-
-We recommend using [uv](https://docs.astral.sh/uv/) to create and manage the virtual environment for this sample.
-
-```bash
-uv venv .venv
-uv pip install --prerelease=allow -r requirements.txt
-uv run main.py
-```
-
-The sample depends on preview packages, so `--prerelease=allow` is required when installing with `uv`.
-
-**Alternative (`venv`):**
-
-If you do not have `uv` installed, you can use Python's built-in `venv` module instead:
-
-**Windows (PowerShell):**
-
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-pip install -r requirements.txt
-python main.py
-```
-
-**macOS/Linux:**
-
-```bash
-python -m venv .venv
-source .venv/bin/activate
-pip install -r requirements.txt
-python main.py
-```
-
-This will start the hosted agent locally on `http://localhost:8088/`.
-
-### Interacting with the Agent
-
-**PowerShell (Windows):**
-
-```powershell
-$body = @{
-   input = "I need a hotel in Seattle from 2025-03-15 to 2025-03-18, budget under $200 per night"
-    stream = $false
-} | ConvertTo-Json
-
-Invoke-RestMethod -Uri http://localhost:8088/responses -Method Post -Body $body -ContentType "application/json"
-```
-
-**Bash/curl (Linux/macOS):**
-
-```bash
-curl -sS -H "Content-Type: application/json" -X POST http://localhost:8088/responses \
-   -d '{"input": "Find me hotels in Seattle for March 20-23, 2025 under $200 per night","stream":false}'
-```
-
-The agent will use the `get_available_hotels` tool to search for available hotels matching your criteria.
-
-### Deploying the Agent to Microsoft Foundry
-
-To deploy your agent to Microsoft Foundry, follow the comprehensive deployment guide at https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents?view=foundry&tabs=cli
-
-## Troubleshooting
-
-### Images built on Apple Silicon or other ARM64 machines do not work on our service
-
-We **recommend using `azd` cloud build**, which always builds images with the correct architecture.
-
-If you choose to **build locally**, and your machine is **not `linux/amd64`** (for example, an Apple Silicon Mac), the image will **not be compatible with our service**, causing runtime failures.
-
-**Fix for local builds**
-
-Use this command to build the image locally:
-
-```shell
-docker build --platform=linux/amd64 -t image .
-```
-
-This forces the image to be built for the required `amd64` architecture.

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/agent.yaml

@@ -1,27 +0,0 @@
-# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/AgentSchema/refs/heads/main/schemas/v1.0/ContainerAgent.yaml
-
-kind: hosted
-name: agent-with-local-tools
-# Brief description of what this agent does
-description: >
-  A travel assistant agent that helps users find hotels in Seattle.
-  Demonstrates local Python tool execution - a key advantage of code-based
-  hosted agents over prompt agents.
-metadata:
-  # Categorization tags for organizing and discovering agents
-  authors:
-    - Microsoft
-  tags:
-    - Azure AI AgentServer
-    - Microsoft Agent Framework
-    - Local Tools
-    - Travel Assistant
-    - Hotel Search
-protocols:
-  - protocol: responses
-    version: v1
-environment_variables:
-  - name: FOUNDRY_PROJECT_ENDPOINT
-    value: ${FOUNDRY_PROJECT_ENDPOINT}
-  - name: FOUNDRY_MODEL
-    value: ${FOUNDRY_MODEL}

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/main.py

@@ -1,144 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-"""
-Seattle Hotel Agent - A simple agent with a tool to find hotels in Seattle.
-Uses Microsoft Agent Framework with Azure AI Foundry.
-Ready for deployment to Foundry Hosted Agent service.
-"""
-
-import asyncio
-import os
-from datetime import datetime
-from typing import Annotated
-
-from agent_framework import Agent
-from agent_framework.foundry import FoundryChatClient
-from azure.ai.agentserver.agentframework import from_agent_framework
-from azure.identity.aio import AzureCliCredential, ManagedIdentityCredential
-
-# Configure these for your Foundry project
-# Read the explicit variables present in the .env file
-FOUNDRY_PROJECT_ENDPOINT = os.getenv("FOUNDRY_PROJECT_ENDPOINT")  # e.g., "https://<project>.services.ai.azure.com"
-FOUNDRY_MODEL = os.getenv("FOUNDRY_MODEL", "gpt-4.1-mini")  # Your model deployment name e.g., "gpt-4.1-mini"
-
-
-# Simulated hotel data for Seattle
-SEATTLE_HOTELS = [
-    {
-        "name": "Contoso Suites",
-        "price_per_night": 189,
-        "rating": 4.5,
-        "location": "Downtown",
-    },
-    {
-        "name": "Fabrikam Residences",
-        "price_per_night": 159,
-        "rating": 4.2,
-        "location": "Pike Place Market",
-    },
-    {
-        "name": "Alpine Ski House",
-        "price_per_night": 249,
-        "rating": 4.7,
-        "location": "Seattle Center",
-    },
-    {
-        "name": "Margie's Travel Lodge",
-        "price_per_night": 219,
-        "rating": 4.4,
-        "location": "Waterfront",
-    },
-    {
-        "name": "Northwind Inn",
-        "price_per_night": 139,
-        "rating": 4.0,
-        "location": "Capitol Hill",
-    },
-    {
-        "name": "Relecloud Hotel",
-        "price_per_night": 99,
-        "rating": 3.8,
-        "location": "University District",
-    },
-]
-
-
-def get_available_hotels(
-    check_in_date: Annotated[str, "Check-in date in YYYY-MM-DD format"],
-    check_out_date: Annotated[str, "Check-out date in YYYY-MM-DD format"],
-    max_price: Annotated[int, "Maximum price per night in USD (optional)"] = 500,
-) -> str:
-    """
-    Get available hotels in Seattle for the specified dates.
-    This simulates a call to a fake hotel availability API.
-    """
-    try:
-        # Parse dates
-        check_in = datetime.strptime(check_in_date, "%Y-%m-%d")
-        check_out = datetime.strptime(check_out_date, "%Y-%m-%d")
-
-        # Validate dates
-        if check_out <= check_in:
-            return "Error: Check-out date must be after check-in date."
-
-        nights = (check_out - check_in).days
-
-        # Filter hotels by price
-        available_hotels = [hotel for hotel in SEATTLE_HOTELS if hotel["price_per_night"] <= max_price]
-
-        if not available_hotels:
-            return f"No hotels found in Seattle within your budget of ${max_price}/night."
-
-        # Build response
-        result = f"Available hotels in Seattle from {check_in_date} to {check_out_date} ({nights} nights):\n\n"
-
-        for hotel in available_hotels:
-            total_cost = hotel["price_per_night"] * nights
-            result += f"**{hotel['name']}**\n"
-            result += f"   Location: {hotel['location']}\n"
-            result += f"   Rating: {hotel['rating']}/5\n"
-            result += f"   ${hotel['price_per_night']}/night (Total: ${total_cost})\n\n"
-
-        return result
-
-    except ValueError as e:
-        return f"Error parsing dates. Please use YYYY-MM-DD format. Details: {str(e)}"
-
-
-def get_credential():
-    """Will use Managed Identity when running in Azure, otherwise falls back to Azure CLI Credential."""
-    return ManagedIdentityCredential() if os.getenv("MSI_ENDPOINT") else AzureCliCredential()
-
-
-async def main():
-    """Main function to run the agent as a web server."""
-    async with get_credential() as credential:
-        client = FoundryChatClient(
-            project_endpoint=FOUNDRY_PROJECT_ENDPOINT,
-            model=FOUNDRY_MODEL,
-            credential=credential,
-        )
-        agent = Agent(
-            client=client,
-            name="SeattleHotelAgent",
-            instructions="""You are a helpful travel assistant specializing in finding hotels in Seattle, Washington.
-
-When a user asks about hotels in Seattle:
-1. Ask for their check-in and check-out dates if not provided
-2. Ask about their budget preferences if not mentioned
-3. Use the get_available_hotels tool to find available options
-4. Present the results in a friendly, informative way
-5. Offer to help with additional questions about the hotels or Seattle
-
-Be conversational and helpful. If users ask about things outside of Seattle hotels,
-politely let them know you specialize in Seattle hotel recommendations.""",
-            tools=[get_available_hotels],
-        )
-
-        print("Seattle Hotel Agent Server running on http://localhost:8088")
-        server = from_agent_framework(agent)
-        await server.run_async()
-
-
-if __name__ == "__main__":
-    asyncio.run(main())

python/samples/05-end-to-end/hosted_agents/agent_with_local_tools/requirements.txt

@@ -1,2 +0,0 @@
-azure-ai-agentserver-agentframework==1.0.0b16
-agent-framework-foundry

python/samples/05-end-to-end/hosted_agents/agent_with_text_search_rag/agent.yaml

@@ -1,33 +0,0 @@
-# Unique identifier/name for this agent
-name: agent-with-text-search-rag
-# Brief description of what this agent does
-description: >
-  An AI agent that uses a ContextProvider for retrieval augmented generation (RAG) capabilities.
-  The agent runs searches against an external knowledge base before each model invocation and
-  injects the results into the model context. It can answer questions about Contoso Outdoors
-  policies and products, including return policies, refunds, shipping options, and product care
-  instructions such as tent maintenance.
-metadata:
-  # Categorization tags for organizing and discovering agents
-  authors:
-    - Microsoft Agent Framework Team
-  tags:
-    - Azure AI AgentServer
-    - Microsoft Agent Framework
-    - Retrieval-Augmented Generation
-    - RAG
-template:
-  name: agent-with-text-search-rag
-  # The type of agent - "hosted" for HOBO, "container" for COBO
-  kind: hosted
-  protocols:
-    - protocol: responses
-  environment_variables:
-    - name: AZURE_OPENAI_ENDPOINT
-      value: ${AZURE_OPENAI_ENDPOINT}
-    - name: AZURE_OPENAI_MODEL
-      value: "{{chat}}"
-resources:
-  - kind: model
-    id: gpt-4o-mini
-    name: chat

python/samples/05-end-to-end/hosted_agents/agent_with_text_search_rag/main.py

@@ -1,123 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-import json
-import sys
-from dataclasses import dataclass
-from typing import Any
-
-from agent_framework import Agent, AgentSession, ContextProvider, Message, SessionContext
-from agent_framework.foundry import FoundryChatClient
-from azure.ai.agentserver.agentframework import from_agent_framework  # pyright: ignore[reportUnknownVariableType]
-from azure.identity import DefaultAzureCredential
-from dotenv import load_dotenv
-
-if sys.version_info >= (3, 12):
-    from typing import override
-else:
-    from typing_extensions import override
-
-
-# Load environment variables from .env file
-load_dotenv()
-
-
-@dataclass
-class TextSearchResult:
-    source_name: str
-    source_link: str
-    text: str
-
-
-class TextSearchContextProvider(ContextProvider):
-    """A simple context provider that simulates text search results based on keywords in the user's message."""
-
-    def __init__(self):
-        super().__init__("text-search")
-
-    def _get_most_recent_message(self, messages: list[Message]) -> Message:
-        """Helper method to extract the most recent message from the input."""
-        if messages:
-            return messages[-1]
-        raise ValueError("No messages provided")
-
-    @override
-    async def before_run(
-        self,
-        *,
-        agent: Any,
-        session: AgentSession | None,
-        context: SessionContext,
-        state: dict[str, Any],
-    ) -> None:
-        messages = context.get_messages()
-        if not messages:
-            return
-        message = self._get_most_recent_message(messages)
-        query = message.text.lower()
-
-        results: list[TextSearchResult] = []
-        if "return" in query and "refund" in query:
-            results.append(
-                TextSearchResult(
-                    source_name="Contoso Outdoors Return Policy",
-                    source_link="https://contoso.com/policies/returns",
-                    text=(
-                        "Customers may return any item within 30 days of delivery. "
-                        "Items should be unused and include original packaging. "
-                        "Refunds are issued to the original payment method within 5 business days of inspection."
-                    ),
-                )
-            )
-
-        if "shipping" in query:
-            results.append(
-                TextSearchResult(
-                    source_name="Contoso Outdoors Shipping Guide",
-                    source_link="https://contoso.com/help/shipping",
-                    text=(
-                        "Standard shipping is free on orders over $50 and typically arrives in 3-5 business days "
-                        "within the continental United States. Expedited options are available at checkout."
-                    ),
-                )
-            )
-
-        if "tent" in query or "fabric" in query:
-            results.append(
-                TextSearchResult(
-                    source_name="TrailRunner Tent Care Instructions",
-                    source_link="https://contoso.com/manuals/trailrunner-tent",
-                    text=(
-                        "Clean the tent fabric with lukewarm water and a non-detergent soap. "
-                        "Allow it to air dry completely before storage and avoid prolonged UV "
-                        "exposure to extend the lifespan of the waterproof coating."
-                    ),
-                )
-            )
-
-        if not results:
-            return
-
-        context.extend_messages(
-            self.source_id,
-            [Message(role="user", contents=["\n\n".join(json.dumps(result.__dict__, indent=2) for result in results)])],
-        )
-
-
-def main():
-    # Create an Agent using the Azure OpenAI Chat Client
-    agent = Agent(
-        client=FoundryChatClient(credential=DefaultAzureCredential()),
-        name="SupportSpecialist",
-        instructions=(
-            "You are a helpful support specialist for Contoso Outdoors. "
-            "Answer questions using the provided context and cite the source document when available."
-        ),
-        context_providers=[TextSearchContextProvider()],
-    )
-
-    # Run the agent as a hosted agent
-    from_agent_framework(agent).run()
-
-
-if __name__ == "__main__":
-    main()

python/samples/05-end-to-end/hosted_agents/agent_with_text_search_rag/requirements.txt

@@ -1,2 +0,0 @@
-azure-ai-agentserver-agentframework==1.0.0b3
-agent-framework

python/samples/05-end-to-end/hosted_agents/agents_in_workflow/agent.yaml

@@ -1,28 +0,0 @@
-# Unique identifier/name for this agent
-name: agents-in-workflow
-# Brief description of what this agent does
-description: >
-  A workflow agent that responds to product launch strategy inquiries by concurrently leveraging insights from three specialized agents.
-metadata:
-  # Categorization tags for organizing and discovering agents
-  authors:
-    - Microsoft Agent Framework Team
-  tags:
-    - Azure AI AgentServer
-    - Microsoft Agent Framework
-    - Workflows
-template:
-  name: agents-in-workflow
-  # The type of agent - "hosted" for HOBO, "container" for COBO
-  kind: hosted
-  protocols:
-    - protocol: responses
-  environment_variables:
-    - name: AZURE_OPENAI_ENDPOINT
-      value: ${AZURE_OPENAI_ENDPOINT}
-    - name: AZURE_OPENAI_MODEL
-      value: "{{chat}}"
-resources:
-  - kind: model
-    id: gpt-4o-mini
-    name: chat

python/samples/05-end-to-end/hosted_agents/agents_in_workflow/main.py

@@ -1,52 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-from agent_framework import Agent
-from agent_framework.foundry import FoundryChatClient
-from agent_framework_orchestrations import ConcurrentBuilder
-from azure.ai.agentserver.agentframework import from_agent_framework
-from azure.identity import DefaultAzureCredential  # pyright: ignore[reportUnknownVariableType]
-from dotenv import load_dotenv
-
-# Load environment variables from .env file
-load_dotenv()
-
-
-def main():
-    # Create agents
-    researcher = Agent(
-        client=FoundryChatClient(credential=DefaultAzureCredential()),
-        instructions=(
-            "You're an expert market and product researcher. "
-            "Given a prompt, provide concise, factual insights, opportunities, and risks."
-        ),
-        name="researcher",
-    )
-    marketer = Agent(
-        client=FoundryChatClient(credential=DefaultAzureCredential()),
-        instructions=(
-            "You're a creative marketing strategist. "
-            "Craft compelling value propositions and target messaging aligned to the prompt."
-        ),
-        name="marketer",
-    )
-    legal = Agent(
-        client=FoundryChatClient(credential=DefaultAzureCredential()),
-        instructions=(
-            "You're a cautious legal/compliance reviewer. "
-            "Highlight constraints, disclaimers, and policy concerns based on the prompt."
-        ),
-        name="legal",
-    )
-
-    # Build a concurrent workflow
-    workflow = ConcurrentBuilder(participants=[researcher, marketer, legal]).build()
-
-    # Convert the workflow to an agent
-    workflow_agent = Agent(client=workflow)
-
-    # Run the agent as a hosted agent
-    from_agent_framework(workflow_agent).run()
-
-
-if __name__ == "__main__":
-    main()

python/samples/05-end-to-end/hosted_agents/agents_in_workflow/requirements.txt

@@ -1,2 +0,0 @@
-azure-ai-agentserver-agentframework==1.0.0b3
-agent-framework

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/.dockerignore

@@ -1,51 +0,0 @@
-# Build artifacts
-bin/
-obj/
-
-# IDE and editor files
-.vs/
-.vscode/
-*.user
-*.suo
-.foundry/
-
-# Source control
-.git/
-
-# Documentation
-README.md
-
-# Ignore files
-.gitignore
-.dockerignore
-
-# Logs
-*.log
-
-# Temporary files
-*.tmp
-*.temp
-
-# OS files
-.DS_Store
-Thumbs.db
-
-# Package manager directories
-node_modules/
-packages/
-
-# Test results
-TestResults/
-*.trx
-
-# Coverage reports
-coverage/
-*.coverage
-*.coveragexml
-
-# Local development config
-appsettings.Development.json
-.env
-
-.venv/
-__pycache__/

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/.env.sample

@@ -1,3 +0,0 @@
-# IMPORTANT: Never commit .env to version control - add it to .gitignore
-FOUNDRY_PROJECT_ENDPOINT=
-FOUNDRY_MODEL=

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/README.md

@@ -1,157 +0,0 @@
-**IMPORTANT!** All samples and other resources made available in this GitHub repository ("samples") are designed to assist in accelerating development of agents, solutions, and agent workflows for various scenarios. Review all provided resources and carefully test output behavior in the context of your use case. AI responses may be inaccurate and AI actions should be monitored with human oversight. Learn more in the transparency documents for [Agent Service](https://learn.microsoft.com/en-us/azure/ai-foundry/responsible-ai/agents/transparency-note) and [Agent Framework](https://github.com/microsoft/agent-framework/blob/main/TRANSPARENCY_FAQ.md).
-
-Agents, solutions, or other output you create may be subject to legal and regulatory requirements, may require licenses, or may not be suitable for all industries, scenarios, or use cases. By using any sample, you are acknowledging that any output created using those samples are solely your responsibility, and that you will comply with all applicable laws, regulations, and relevant safety standards, terms of service, and codes of conduct.
-
-Third-party samples contained in this folder are subject to their own designated terms, and they have not been tested or verified by Microsoft or its affiliates.
-
-Microsoft has no responsibility to you or others with respect to any of these samples or any resulting output.
-
-# What this sample demonstrates
-
-This sample demonstrates a **key advantage of code-based hosted agents**:
-
-- **Agents in Workflows** - Use AI agents as executors within a workflow pipeline
-
-Code-based agents can execute **any Python code** you write. This sample includes a multi-agent workflow where Writer and Reviewer agents collaborate to draft content and provide review feedback.
-
-The agent is hosted using the [Azure AI AgentServer SDK](https://pypi.org/project/azure-ai-agentserver-agentframework/) and can be deployed to Microsoft Foundry using the Azure Developer CLI.
-
-## How It Works
-
-### Agents in Workflows
-
-This sample demonstrates the integration of AI agents within a workflow pipeline. The workflow operates as follows:
-
-1. **Writer Agent** - Drafts content
-2. **Reviewer Agent** - Reviews the draft and provides concise, actionable feedback
-
-### Agent Hosting
-
-The agent workflow is hosted using the [Azure AI AgentServer SDK](https://pypi.org/project/azure-ai-agentserver-agentframework/),
-which provisions a REST API endpoint compatible with the OpenAI Responses protocol.
-
-### Agent Deployment
-
-The hosted agent workflow can be deployed to Microsoft Foundry using the Azure Developer CLI [ai agent](https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents?view=foundry&tabs=cli#create-a-hosted-agent) extension.
-
-## Running the Agent Locally
-
-### Prerequisites
-
-Before running this sample, ensure you have:
-
-1. **Microsoft Foundry Project**
-   - Project created in [Microsoft Foundry](https://learn.microsoft.com/en-us/azure/ai-foundry/what-is-foundry?view=foundry#microsoft-foundry-portals)
-   - Chat model deployed (e.g., `gpt-4o` or `gpt-4.1`)
-   - Note your project endpoint URL and model deployment name
-
-2. **Azure CLI**
-   - Installed and authenticated
-   - Run `az login` and verify with `az account show`
-
-3. **Python 3.10 or higher**
-   - Verify your version: `python --version`
-
-### Environment Variables
-
-Set the following environment variables (matching `agent.yaml`):
-
-- `FOUNDRY_PROJECT_ENDPOINT` - Your Microsoft Foundry project endpoint URL (required)
-- `FOUNDRY_MODEL` - The deployment name for your chat model (defaults to `gpt-4.1-mini`)
-
-This sample loads environment variables from a local `.env` file if present.
-
-Create a `.env` file in this directory with the following content:
-
-```
-FOUNDRY_PROJECT_ENDPOINT=https://<your-resource>.services.ai.azure.com/api/projects/<your-project>
-FOUNDRY_MODEL=gpt-4.1-mini
-```
-
-Or set them via PowerShell:
-
-```powershell
-# Replace with your actual values
-$env:FOUNDRY_PROJECT_ENDPOINT="https://<your-resource>.services.ai.azure.com/api/projects/<your-project>"
-$env:FOUNDRY_MODEL="gpt-4.1-mini"
-```
-
-### Running the Sample
-
-**Recommended (`uv`):**
-
-We recommend using [uv](https://docs.astral.sh/uv/) to create and manage the virtual environment for this sample.
-
-```bash
-uv venv .venv
-uv pip install --prerelease=allow -r requirements.txt
-uv run main.py
-```
-
-The sample depends on preview packages, so `--prerelease=allow` is required when installing with `uv`.
-
-**Alternative (`venv`):**
-
-If you do not have `uv` installed, you can use Python's built-in `venv` module instead:
-
-**Windows (PowerShell):**
-
-```powershell
-python -m venv .venv
-.\.venv\Scripts\Activate.ps1
-pip install -r requirements.txt
-python main.py
-```
-
-**macOS/Linux:**
-
-```bash
-python -m venv .venv
-source .venv/bin/activate
-pip install -r requirements.txt
-python main.py
-```
-
-This will start the hosted agent locally on `http://localhost:8088/`.
-
-### Interacting with the Agent
-
-**PowerShell (Windows):**
-
-```powershell
-$body = @{
-   input = "Create a slogan for a new electric SUV that is affordable and fun to drive."
-    stream = $false
-} | ConvertTo-Json
-
-Invoke-RestMethod -Uri http://localhost:8088/responses -Method Post -Body $body -ContentType "application/json"
-```
-
-**Bash/curl (Linux/macOS):**
-
-```bash
-curl -sS -H "Content-Type: application/json" -X POST http://localhost:8088/responses \
-   -d '{"input": "Create a slogan for a new electric SUV that is affordable and fun to drive.","stream":false}'
-```
-
-### Deploying the Agent to Microsoft Foundry
-
-To deploy your agent to Microsoft Foundry, follow the comprehensive deployment guide at https://learn.microsoft.com/en-us/azure/ai-foundry/agents/concepts/hosted-agents?view=foundry&tabs=cli
-
-## Troubleshooting
-
-### Images built on Apple Silicon or other ARM64 machines do not work on our service
-
-We **recommend using `azd` cloud build**, which always builds images with the correct architecture.
-
-If you choose to **build locally**, and your machine is **not `linux/amd64`** (for example, an Apple Silicon Mac), the image will **not be compatible with our service**, causing runtime failures.
-
-**Fix for local builds**
-
-Use this command to build the image locally:
-
-```shell
-docker build --platform=linux/amd64 -t image .
-```
-
-This forces the image to be built for the required `amd64` architecture.

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/agent.yaml

@@ -1,24 +0,0 @@
-# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/AgentSchema/refs/heads/main/schemas/v1.0/ContainerAgent.yaml
-
-kind: hosted
-name: writer-reviewer-agents-in-workflow
-description: >
-  A multi-agent workflow featuring a Writer and Reviewer that collaborate
-  to create and refine content.
-metadata:
-  authors:
-    - Microsoft
-  tags:
-    - Azure AI AgentServer
-    - Microsoft Agent Framework
-    - Multi-Agent Workflow
-    - Writer-Reviewer
-    - Content Creation
-protocols:
-  - protocol: responses
-    version: v1
-environment_variables:
-  - name: FOUNDRY_PROJECT_ENDPOINT
-    value: ${FOUNDRY_PROJECT_ENDPOINT}
-  - name: FOUNDRY_MODEL
-    value: ${FOUNDRY_MODEL}

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/main.py

@@ -1,71 +0,0 @@
-# Copyright (c) Microsoft. All rights reserved.
-
-import asyncio
-import os
-from contextlib import asynccontextmanager
-
-from agent_framework import Agent, WorkflowBuilder
-from agent_framework.foundry import FoundryChatClient
-from azure.ai.agentserver.agentframework import from_agent_framework
-from azure.identity.aio import AzureCliCredential, ManagedIdentityCredential
-from dotenv import load_dotenv
-
-load_dotenv(override=True)
-
-# Configure these for your Foundry project
-# Read the explicit variables present in the .env file
-FOUNDRY_PROJECT_ENDPOINT = os.getenv(
-    "FOUNDRY_PROJECT_ENDPOINT"
-)  # e.g., "https://<project>.services.ai.azure.com/api/projects/<project-name>"
-FOUNDRY_MODEL = os.getenv("FOUNDRY_MODEL", "gpt-4.1-mini")  # Your model deployment name e.g., "gpt-4.1-mini"
-
-
-def get_credential():
-    """Will use Managed Identity when running in Azure, otherwise falls back to Azure CLI Credential."""
-    return ManagedIdentityCredential() if os.getenv("MSI_ENDPOINT") else AzureCliCredential()
-
-
-@asynccontextmanager
-async def create_agents():
-    async with get_credential() as credential:
-        client = FoundryChatClient(
-            project_endpoint=FOUNDRY_PROJECT_ENDPOINT,
-            model=FOUNDRY_MODEL,
-            credential=credential,
-        )
-        writer = Agent(
-            client=client,
-            name="Writer",
-            instructions="You are an excellent content writer. You create new content and edit contents based on the feedback.",
-        )
-        reviewer = Agent(
-            client=client,
-            name="Reviewer",
-            instructions="You are an excellent content reviewer. Provide actionable feedback to the writer about the provided content in the most concise manner possible.",
-        )
-        yield writer, reviewer
-
-
-def create_workflow(writer, reviewer):
-    workflow = WorkflowBuilder(start_executor=writer).add_edge(writer, reviewer).build()
-    return Agent(
-        client=workflow,
-    )
-
-
-async def main() -> None:
-    """
-    The writer and reviewer multi-agent workflow.
-
-    Environment variables required:
-    - FOUNDRY_PROJECT_ENDPOINT: Your Microsoft Foundry project endpoint
-    - FOUNDRY_MODEL: Your Microsoft Foundry model deployment name
-    """
-
-    async with create_agents() as (writer, reviewer):
-        agent = create_workflow(writer, reviewer)
-        await from_agent_framework(agent).run_async()
-
-
-if __name__ == "__main__":
-    asyncio.run(main())

python/samples/05-end-to-end/hosted_agents/writer_reviewer_agents_in_workflow/requirements.txt

@@ -1,2 +0,0 @@
-azure-ai-agentserver-agentframework==1.0.0b16
-agent-framework-foundry

python/uv.lock

@@ -42,6 +42,7 @@ members = [
     "agent-framework-devui",
     "agent-framework-durabletask",
     "agent-framework-foundry",
+    "agent-framework-foundry-hosting",
     "agent-framework-foundry-local",
     "agent-framework-gemini",
     "agent-framework-github-copilot",
@@ -103,6 +104,7 @@ dependencies = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "azure-monitor-opentelemetry", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
     { name = "flit", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
     { name = "mcp", extra = ["ws"], marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
     { name = "mypy", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -127,6 +129,7 @@ requires-dist = [{ name = "agent-framework-core", extras = ["all"], editable = "
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "azure-monitor-opentelemetry", specifier = "==1.8.7" },
     { name = "flit", specifier = "==3.12.0" },
     { name = "mcp", extras = ["ws"], specifier = "==1.27.0" },
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+    { name = "typing-extensions", marker = "(python_full_version < '3.11' and sys_platform == 'darwin') or (python_full_version < '3.11' and sys_platform == 'linux') or (python_full_version < '3.11' and sys_platform == 'win32')" },
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 [[package]]
 name = "tau2"
 version = "0.0.1"
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+dependencies = [
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