agent-framework

Python: fix(core): handle anyio cancel scope errors during MCP connection cleanup (#3277 )

* fix(core): handle anyio cancel scope errors during MCP connection cleanup

* Address Copilot feedback

Evan Mattson · 2026-01-21 01:49:07 +00:00

6b5437e4ec

Python: [Breaking] Simplified Content types to a single class with classmethod constructors. (#3252 )

* ported Content to a new model

* fixed linting

* fixes

* fixed data format handling

* fix for 3.10 mypy

* fix

* fix int test

Eduard van Valkenburg · 2026-01-20 22:09:39 +00:00

83e6229c11

Python: Fix: Add system_instructions to ChatClient LLM span tracing (#3164 )

* Fix: Add system_instructions to ChatClient LLM span tracing

- Add system_instructions parameter to _capture_messages() calls in
  _trace_get_response() and _trace_get_streaming_response()
- Extract instructions from chat_options in kwargs
- Add unit tests to verify system_instructions are captured correctly

When using ChatClient with ChatOptions.instructions, the OpenTelemetry
LLM span was missing system messages in gen_ai.input.messages and the
gen_ai.system_instructions attribute was not being set.

This fix aligns the ChatClient-level tracing with the Agent-level
tracing which already correctly passes system_instructions.

Fixes #3163

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add edge case tests for system_instructions

- Add test for empty string instructions (should not set attribute)
- Add test for list-type instructions (verify multiple items captured)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Simplify: use options.get('instructions') directly instead of kwargs.get('chat_options')

Addresses reviewer feedback:
- Removed unnecessary chat_options variable from kwargs
- Directly access instructions from the options parameter
- Updated tests to use dict syntax for options (TypedDict convention)

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

claude89757 · 2026-01-20 14:04:31 +00:00

f8c84d4ee6

Python: [BREAKING] Make response_format validation errors visible to users (#3274 )

* Make response_format validation errors visible to users

* Small fix

* Addressed comments

Dmytro Struk · 2026-01-19 17:20:46 +00:00

83e8965c8e

Python: Filter conversation_id when passing kwargs to agent as tool (#3266 )

* Filter conversation_id when passing kwargs to agent as tool

* Small fix

* Update python/samples/getting_started/agents/azure_ai/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update python/samples/getting_started/agents/openai/openai_responses_client_with_agent_as_tool.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update python/samples/getting_started/agents/azure_ai/azure_ai_with_agent_as_tool.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Dmytro Struk · 2026-01-19 12:54:06 +00:00

3243652df6

Python: Added rai_config to Azure AI agent creation (#3265 )

* Add kwargs to create_agent method

* Added test for kwargs

* Addressed comment

* Added doc string

Dmytro Struk · 2026-01-19 12:51:27 +00:00

915df3b404

Python: Fixed use_agent_middleware calling private _normalize_messages (#3264 )

* Fix use_agent_middleware calling private _normalize_messages

* Fixed A2A and Copilot Studio agent

Dmytro Struk · 2026-01-19 12:50:14 +00:00

f87e55ba33

Python: Fixed Azure chat client for asynchronous filtering (#3260 )

* Fixed Azure chat client for asynchronous filtering

* Updated test

Dmytro Struk · 2026-01-19 12:49:23 +00:00

9bfa1a913c

Python: Update package version (#3258 )

* package version 260116

* removed name tags

Giles Odigwe · 2026-01-16 21:06:30 +00:00

9e3b2fa09a

Python: [BREAKING] Renamed create_agent to as_agent (#3249 )

* Renamed create_agent to as_agent

* Override for as_agent

* Added override

Dmytro Struk · 2026-01-16 19:21:52 +00:00

5687e13221

Create/Get Agent API - fixes and example improvements (#3246 )

Dmytro Struk · 2026-01-16 04:36:34 +00:00

b773830e4b

Python: Create/Get Agent API for OpenAI Assistants (#3208 )

* Added provider implementation

* Added example with response format

* Small improvements

Dmytro Struk · 2026-01-15 22:52:32 +00:00

b5ca0c8eda

Python: Create/Get Agent API for Azure V1 (#3192 )

* Added provider implementation for Azure AI V1

* Small fixes

* Fixed OpenAPI example

* Fixed local MCP example

* Fixed hosted MCP example

* Fixed file search sample

* Small fixes

* Resolved comments

* Doc updates

Dmytro Struk · 2026-01-15 22:19:03 +00:00

48d124efbe

Updated DurableAIAgent and fixed integration tests (#3241 )

Dmytro Struk · 2026-01-15 21:43:26 +00:00

6e9420f614

Python: Properly configure structured outputs based on new options dict (#3213 )

* Properly configure structured outputs based on new options dict

* Fix mypy

Evan Mattson · 2026-01-15 11:41:46 +09:00

15d0c34d9f

Python: fix(ag-ui): add MCP tool support for AG-UI approval flows (#3212 )

* add MCP tool support for AG-UI approval flows

* use attribute in place of property

Evan Mattson · 2026-01-15 02:34:11 +00:00

620da7a829

fix(workflows): rename WorkflowOutputEvent.source_executor_id to executor_id for API consistency (#3166 )

Evan Mattson · 2026-01-15 02:11:25 +00:00

80b25a782b

Python: fix(core): correct FunctionResultContent ordering in WorkflowAgent.merge_updates (#3168 )

* fix(core): simplify FunctionResultContent ordering in WorkflowAgent.merge_updates

* improve comment

* Fix name

Evan Mattson · 2026-01-15 01:54:44 +00:00

ffe2e787ba

update package versions (#3223 )

Co-authored-by: Dmytro Struk <13853051+dmytrostruk@users.noreply.github.com>

Giles Odigwe · 2026-01-14 23:26:50 +00:00

cb2862d4c3

Python: Add more specific exceptions to Workflow (#3188 )

* Add more specifc workflow exceptions

* Fix tests

* AI comments

* Misc

Tao Chen · 2026-01-14 20:10:52 +00:00

6c956ec596

Python: Create/Get Agent API for Azure V2 (#3059 )

* Added get_agent method to Azure AI V2

* Small fixes

* Small fix

* Removed AzureAIAgentProvider

* Added create_agent method

* Small fixes

* Fixed code interpreter tool mapping

* Added agent provider for V2 client

* Updated response format handling

* Added provider example

* Fixed errors

* Update python/samples/getting_started/agents/azure_ai/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Small fix

* Updates from merge

* Resolved comments

* Resolved comments

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Dmytro Struk · 2026-01-14 19:35:01 +00:00

99c5718696

renamed all (#3207 )

Eduard van Valkenburg · 2026-01-14 05:54:07 +00:00

d8cf8361bd

[BREAKING] Python: Refactor orchestrations (#3023 )

* Group chat refactoring Part 1; Next: HIL and handoff

* Add agent approval flow; next samples

* WIP: samples

* WIP: HIL samples

* Group chat HIL working; next: handoff

* Fix group chat tool approval sample

* WIP: refactor handoff; next handoff handling

* Handoff done; next handoff samples and concurrent and sequential

* Handoff samples, concurrent, and sequential done; next Magentic

* WIP: magentic; next test with samples + HIL

* Magentic Working; next fix all samples and tests

* Fix handoff samples; next tests

* WIP: fixing tests; some orchestration as agent samples are failing

* Group chat unit tests done

* Handoff  unit tests done

* Remove old orchestration_request_info and fix related tests

* Magentic unit tests done

* Fix samples

* Fix test

* Fix test 2

* mypy

* Address comments

* Update readme

* Address comments

* Address comments 2

* Replace display name

Tao Chen · 2026-01-13 18:40:26 +00:00

0b152418b6

Python: [BREAKING]: Introducing Options as TypedDict and Generic (#3140 )

* WIP typeddict for options

* updated all clients and ChatAgents

* updated everything

* added ADR

* fix mypy

* proper typevar imports

* fixed import

* fixed other imports

* slight update in the sample

* updated from feedback

* fixes

* fixed missing covariants and test fixes

* fixed typing

* updated anthropic thinking config

* ruff fixes

* fixed int tests

* fix tests and mypy

* updated integration tests

* updated docstring and test fix

* improved options handling in obser

* mypy fix

* updated a host of integration tests

* fix tests

* bedrock fix

Eduard van Valkenburg · 2026-01-13 16:41:05 +00:00

3e97425245

Python: Add declarative workflow runtime (#2815 )

* Further support for declarative python workflows

* Add tests. Clean up for typing and formatting

* Improvements and cleanup

* Typing cleanup. Improve docstrings

* Proper code in docstrings

* Fix malformed code-block directive in docstring

* Remove dead links

* PR feedback

* Address PR feedback

* Address PR feedback

* Remove sl

* Update devui frontend

* More cleanup

* Fix uv lock

* Skip Py 3.14 tests as powerfx doesn't support it

* Fix mypy error

* Fix for tool calls

* Removed stale docstring

* Fix lint

* Standardize on .NET namespaces. Revert DevUI changes (bring in later)

* Implement remaining items for Python declarative support to match dotnet

Evan Mattson · 2026-01-13 07:11:21 +00:00

9c094573e8

Python: MCP Improvements: improved connection loss behavior, pagination for loading and a param to control representation (#3154 )

* pagination support (#2848) added a parse_tool_result param and connection loss (#2884)

* fix #3153

* improved connection handling

* improved logic

Eduard van Valkenburg · 2026-01-13 04:09:33 +00:00

b2893fbc00

Python: [BREAKING]: removed display_name, renamed context_providers, middleware and AggregateContextProvider (#3139 )

* removed display_name, renamed context_providers, middleware and AggregateContextProvider

* fixes

* fixed test

* testfix

* removed mistakenly put back test

* updated new test

* rename middlewares to middleware

* middleware fixes

Eduard van Valkenburg · 2026-01-13 02:24:07 +00:00

203fb7b1c4

Python: Fix MCPStreamableHTTPTool to use new streamable_http_client API (#3088 )

* Fix MCPStreamableHTTPTool to use new streamable_http_client API with proper httpx client cleanup

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Update docstring to reflect new streamable_http_client API usage

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Refactor MCPStreamableHTTPTool to accept optional http_client parameter and delegate client creation to streamable_http_client

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Update mcp package minimum version to 1.24.0 for streamable_http_client API support

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Fix critical bugs: apply headers/timeout/sse_read_timeout when creating httpx client, add version constraint <2, and properly manage client lifecycle

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Simplify implementation: remove headers/timeout/sse_read_timeout params, remove kwargs, remove close() override per feedback

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Add back **kwargs parameter for backward compatibility (accepted but not used)

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Remove unused httpx import from test file

Note: The uv.lock file needs to be updated with 'uv sync' to reflect the mcp version constraint change (>=1.24.0,<2)

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* cicd fixes

* udpated samples with headers examples

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>
Co-authored-by: eavanvalkenburg <github@vanvalkenburg.eu>

Copilot · 2026-01-12 17:26:53 +00:00

e63c148fc7

Python: multiple bug fixes (#3150 )

* fix Python: kwargs are not passed to _prepare_thread_and_messages in ChatAgent.run
Fixes #3118

* fix Python: [Bug]: model_id versus model_deployment_name is confusing in Azure AI Agents
Fixes #3147

* add types

* fixed type and docstring

Eduard van Valkenburg · 2026-01-12 01:01:41 +00:00

551c2c3abe

Python: Fix AzureAIClient tool call bug for AG-UI use (#3148 )

* Fiz AzureAIClient tool call bug

* Address copilot feedback

Evan Mattson · 2026-01-09 18:53:15 +00:00

6445b6b3a6

Track agent name with updates for workflow agent (#3146 )

Evan Mattson · 2026-01-09 08:23:32 +00:00

d28ad2d7df

Python: Add tool call/result content types and update connectors and samples (#2971 )

* Add new AI content types and image tool support

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Add Python content types for tool calls/results and image generation tool support

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Address review feedback for tool content and samples

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Tighten image generation typing and sample tools list

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Align image generation output typing

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Handle MCP naming, image options mapping, and connector tool content

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Allow MCP call in function approval request

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Remove raw image_generation tool remapping

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Restore Anthropic tool_use to function calls unless code execution

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Fix lint issues for hosted file docstring and MCP parsing

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Import ChatResponse types in Anthropic client

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Fix Anthropics citation type imports and MCP typing for handoff/tools

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* Skip lightning tests without agentlightning and fix function call import

Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>

* fix lint on lab package

* rebuilt anthropic parsing

* redid anthropic parsing

* typo

* updated parsing and added missing docstrings

* fix tests

* mypy fixes

* second mypy fix

* add new class to other samples

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: eavanvalkenburg <13749212+eavanvalkenburg@users.noreply.github.com>
Co-authored-by: eavanvalkenburg <github@vanvalkenburg.eu>

Copilot · 2026-01-08 19:46:32 +00:00

3f7ea350dc

Python: Bump python version to 1.0.0b260107 for a release (#3128 )

* Bump python version to 1.0.0b260107 for a release

* Update changelog

Evan Mattson · 2026-01-08 08:49:28 +09:00

f508f1d6da

Python: fix(azure-ai): Fix response_format handling for structured outputs (#3114 )

* fix(azure-ai): read response_format from chat_options instead of run_options

* refactor: use explicit None checks for response_format

* Fix mypy error

* Mypy fix

Evan Mattson · 2026-01-07 23:11:28 +00:00

e9d97ce6b7

Python: Fix MCP tool result serialization for list[TextContent] (#2523 )

* Fix MCP tool result serialization for list[TextContent]

When MCP tools return results containing list[TextContent], they were
incorrectly serialized to object repr strings like:
'[<agent_framework._types.TextContent object at 0x...>]'

This fix properly extracts text content from list items by:
1. Checking if items have a 'text' attribute (TextContent)
2. Using model_dump() for items that support it
3. Falling back to str() for other types
4. Joining single items as plain text, multiple items as JSON array

Fixes #2509

* Address PR review feedback for MCP tool result serialization

- Extract serialize_content_result() to shared _utils.py
- Fix logic: use texts[0] instead of join for single item
- Add type annotation: texts: list[str] = []
- Return empty string for empty list instead of '[]'
- Move import json to file top level
- Add comprehensive unit tests for serialization

* Address PR review feedback: fix type checking and double serialization

- Add isinstance(item.text, str) check to ensure text attribute is a string
- Fix double-serialization issue by keeping model_dump results as dicts
  until final json.dumps (removes escaped JSON strings in arrays)
- Improve docstring with detailed return value documentation
- Add test for non-string text attribute handling
- Add tests for list type tool results in _events.py path

* Simplify PR: minimal changes to fix MCP tool result serialization

Addresses reviewer feedback about excessive refactoring:
- Reset _events.py to original structure
- Only add import and use serialize_content_result in one location
- All review comments addressed in serialize_content_result():
  - Added isinstance(item.text, str) check
  - Use model_dump(mode="json") to avoid double-serialization
  - Improved docstring with explicit return value documentation
  - Empty list returns "" instead of "[]"

* Refactor: Move MCP TextContent serialization to core prepare_function_call_results

Per reviewer feedback, moved the TextContent serialization logic from
ag-ui's serialize_content_result to the core package's
prepare_function_call_results function.

Changes:
- Added handling for objects with 'text' attribute (like MCP TextContent)
  in _prepare_function_call_results_as_dumpable
- Removed serialize_content_result from ag-ui/_utils.py
- Updated _events.py and _message_adapters.py to use
  prepare_function_call_results from core package
- Updated tests to match the core function's behavior

* Fix failing tests for prepare_function_call_results behavior

- test_tool_result_with_none: Update expected value to 'null' (JSON serialization of None)
- test_tool_result_with_model_dump_objects: Use Pydantic BaseModel instead of plain class

* Fix B903 linter error: Convert MockTextContent to dataclass

The ruff linter was reporting B903 (class could be dataclass or namedtuple)
for the MockTextContent test helper classes. This commit converts them to
dataclasses to satisfy the linter check.

claude89757 · 2026-01-07 00:47:26 +00:00

db283cd396

Bump versions to 1.0.0b260106 for a release. Update CHANGELOG.md (#3109 )

Evan Mattson · 2026-01-07 00:09:49 +00:00

202f557c71

fix: tool_choice parameter not being honored when passed to agent.run() (#3095 )

Evan Mattson · 2026-01-06 22:51:20 +00:00

24c822590f

Python: Fix ExecutorInvokedEvent and ExecutorCompletedEvent observability data (#3090 )

* Fix ExecutorInvokedEvent.data mutation bug

* Fix bug related to not yielding output type

Evan Mattson · 2026-01-06 09:12:26 +00:00

844d345106

Fix: Update OTLP exporter protocol conditions (#3070 )

takanori-terai · 2026-01-06 04:45:29 +00:00

ed5278c41d

fix and extra int test (#3037 )

Eduard van Valkenburg · 2026-01-05 04:35:10 +00:00

deea844bc7

Python: Updated package versions (#3024 )

* Updated package versions

* Updated changelog

Dmytro Struk · 2025-12-23 16:04:53 +00:00

5ab47596ff

Python: latency improvements (#3014 )

* latency improvements

* fixed mypy, added coding standards and instructions

* slight logic improvement

Eduard van Valkenburg · 2025-12-23 16:04:34 +00:00

a32702cf38

Python: Added response.created and response.in_progress event process to OpenAIBaseResponseClient (#2975 )

* added response.created and response.in_progress to include response.id

* better doc string

* added tests for the new streaming event types

Hao Luo · 2025-12-19 17:50:15 +00:00

defe0f1a89

Python: Preserve reasoning blocks with OpenRouter (#2950 )

* Preserve reasoning blocks with OpenRouter

* Put encrypted reasoning in TextReasoningContent

* Remove unneccessary change

* Fix docs

* Support streaming

* Fix handling None in TextReasoningContent.text

SuperKenVery · 2025-12-19 17:03:19 +00:00

85d70f01f6

Python: Bump Py version to 1.0.0b251218 for a release. Update CHANGELOG (#2968 )

* Bump Py version to 1.0.0b251218 for a release. Update CHANGELOG

* update lock

* Fix formatting

* Fix ChatKit typing

Evan Mattson · 2025-12-19 01:31:57 +00:00

e15eab7da6

Python: Fix WorkflowAgent event handling and kwargs forwarding (#2946 )

* Fix kwargs propagation through workflow.as_agent()

* Fix WorkflowAgent to respect AgentExecutor output_response setting

Evan Mattson · 2025-12-18 19:35:07 +00:00

b0a7a1fcb8

Python: Workflow add option to visualize internal executors (#2917 )

* Workflow add option to visualize internal executors

* Address Copilot comments

Tao Chen · 2025-12-18 14:04:03 +00:00

b4f2709b6d

Python: cleanup and refactoring of chat clients (#2937 )

* refactoring and unifying naming schemes of internal methods of chat clients

* set tool_choice to auto

* fix for mypy

* added note on naming and fix #2951

* fix responses

* fixes in azure ai agents client

Eduard van Valkenburg · 2025-12-18 12:02:23 +00:00

e5c11d38d6

Python: fix: correct BadRequestError when using Pydantic model in response_fo… (#1843 )

* fix: correct BadRequestError when using Pydantic model in response_format

* Fix lint

---------

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

samueljohnsiby · 2025-12-18 08:42:00 +00:00

0298e0a401

Python: Move ollama samples to samples getting started dir (#2921 )

* Move ollama samples to samples getting started dir

* Address feedback

Evan Mattson · 2025-12-18 08:37:05 +00:00

ca1532cf22

199 Commits