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  • Python: Remove bespoke Foundry toolbox helpers; standardize on MCP for toolbox consumption (#5671) 
    * Remove Foundry toolbox helpers; standardize on MCP for toolbox consumption

- Remove RawFoundryChatClient.get_toolbox() and its fetch_toolbox import
- Remove fetch_toolbox, select_toolbox_tools, get_toolbox_tool_name,
  get_toolbox_tool_type, FoundryHostedToolType, ToolboxToolSelectionInput
  from agent_framework_foundry._tools
- Remove ExperimentalFeature.TOOLBOXES from _feature_stage.py (no consumers)
- Drop toolbox re-exports from agent_framework_foundry/__init__.py and
  agent_framework.foundry namespace
- Update _sanitize_foundry_response_tool docstring to remove toolbox framing;
  sanitization logic itself is unchanged
- Update _agent.py docstring: 'toolbox-fetched MCP' → 'hosted MCP'
- Delete tests/test_toolbox.py (all tests covered removed helpers)
- Update test_foundry_chat_client.py: rename/redoc tests that mentioned
  toolbox but test sanitization that remains
- Delete foundry_chat_client_with_toolbox.py (bespoke toolbox API sample)
- Delete foundry_toolbox_context_provider.py (relied on select_toolbox_tools)
- Rename foundry_chat_client_with_toolbox_mcp.py →
  foundry_chat_client_with_toolbox.py (canonical MCP pattern)
- Rewrite 04_foundry_toolbox/main.py to use MCPStreamableHTTPTool
- Update provider/README, context_providers/README, 04_foundry_toolbox/README

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix(samples): update 06_files sample to consume toolbox via MCP (#5670)

Replace removed get_toolbox/select_toolbox_tools APIs with
MCPStreamableHTTPTool, using allowed_tools=["code_interpreter"] to
select only the code interpreter from the toolbox endpoint.

Update .env.example and README to use FOUNDRY_TOOLBOX_ENDPOINT
instead of TOOLBOX_NAME.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix(foundry): remove non-existent toolbox helper APIs from README (#5670)

Remove the 'fetch, optionally filter, and pass tools directly' pattern
from the FoundryChatClient toolbox documentation, as select_toolbox_tools
and get_toolbox were removed. Only the MCP endpoint pattern is documented.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix(foundry): remove residual toolbox docstring references and reproduction report

Remove REPRODUCTION_REPORT.md (workflow artifact that should not be committed),
and update two remaining docstring references that still said 'toolbox reads'
/'toolbox definition' after the toolbox helpers were removed.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Python: Remove bespoke Foundry toolbox helpers; standardize on MCP for toolbox consumption

Fixes #5670

* fix(#5670): resolve toolbox endpoint from TOOLBOX_NAME fallback; add namespace regression tests

- Add _resolve_toolbox_endpoint() helper in 04_foundry_toolbox/main.py and
  06_files/main.py that prefers FOUNDRY_TOOLBOX_ENDPOINT but falls back to
  deriving the MCP URL from FOUNDRY_PROJECT_ENDPOINT + TOOLBOX_NAME — fixing
  the startup KeyError when agents are deployed via azd provision (which injects
  TOOLBOX_NAME, not FOUNDRY_TOOLBOX_ENDPOINT).
- Update 04_foundry_toolbox/.env.example to use FOUNDRY_TOOLBOX_ENDPOINT
  (consistent with 06_files).
- Add TOOLBOX_NAME env var to 06_files/agent.yaml so deployed agents have it
  available for the fallback derivation.
- Update both READMEs to document the two ways to supply the toolbox endpoint.
- Add test_foundry_namespace_no_longer_exposes_toolbox_helpers() with negative
  assertions for FoundryHostedToolType, get_toolbox_tool_name,
  get_toolbox_tool_type, and select_toolbox_tools — guarding against accidental
  re-introduction of removed symbols.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix(samples): fail fast on empty FOUNDRY_TOOLBOX_ENDPOINT; add unit tests

Addresses review feedback for #5670:

- In _resolve_toolbox_endpoint() (04_foundry_toolbox/main.py and
  06_files/main.py) change the walrus-operator check from a truthy
  test to an explicit 'is not None' guard.  An explicitly set empty
  string now raises ValueError immediately with a clear message
  instead of silently falling through to the fallback URL
  construction.

- Add tests/samples/hosting/test_toolbox_endpoint.py covering both
  sample modules:
    (a) FOUNDRY_TOOLBOX_ENDPOINT set → returned as-is
    (b) FOUNDRY_TOOLBOX_ENDPOINT set to empty string → ValueError
    (c) fallback constructs URL from FOUNDRY_PROJECT_ENDPOINT + TOOLBOX_NAME,
        stripping trailing slashes
    (d) neither variable group set → KeyError

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address review feedback: remove extraneous test and docstring content

- Remove test_foundry_namespace_no_longer_exposes_toolbox_helpers (no longer warranted)
- Remove docstring from _agent.py _prepare_tools_for_openai (extraneous)
- Trim _chat_client.py _prepare_tools_for_openai docstring to one-liner (toolbox references no longer relevant)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix: remove remaining extraneous docstring from RawFoundryChatClient._prepare_tools_for_openai

Address review comment on PR #5671: reviewer noted the description
isn't warranted now that toolbox helpers have been removed. Matches
the pattern in RawFoundryAgentChatClient which has no docstring.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
    Evan Mattson · 2026-05-06 23:56:16 +00:00
    e56e6dad4d
  • Python: information-flow control prompt injection defense (#5331) 
    * Python: Information-flow control based prompt injection defense (#5024)

* fides integration

* documentation

* documentation

* documentation

* human-approval on policy violation

* numenous hyena 'works'

* IFC based implementation

* minor edits in documentation

* rebasing the branch and running the email example

* Add security tests for IFC middleware

* Fix Role.TOOL NameError in approval handling

* tiered labelling scheme

* 3 tier labelling scheme in middleware

* Adapt security middleware to list[Content] tool results

* Refactor SecureAgentConfig as context provider and address Copilot review comments

* Update FIDES docs to reflect context provider pattern and update code for ContextProvider rename

* Fix security examples: use OpenAIChatClient instead of non-existent AzureOpenAIChatClient

* Address PR review: consolidate security modules, remove ContentLineage, update docs

* remove unrelated files

* remove comment from _tools.py and rename decision file

* Fix CI failures: Bandit B110, broken md links, hosted approval passthrough

* apply template to decision doc 0024

* minor fixes to decision doc 0024

---------

Co-authored-by: Aashish <t-akolluri@microsoft.com>

* Python: follow up FIDES security flow (#5330)

* Python: follow up FIDES security flow

Refine the secure approval path, mark the security classes with the FIDES experimental feature label, and clean up the related docs/tests. Also fix workspace-level validation regressions uncovered while running the full Python check suite.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Python: remove FIDES GitHub MCP sample

Drop the GitHub MCP security sample from the FIDES follow-up branch while keeping the remaining security docs and samples intact.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address PR review: fix paths and update FIDES implementation (#5352)

* Python: updated import naming and comment from review (#5421)

* updated import naming and comment from review

* Add approval replay None call-id test

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Python: Address PR 5331 comments and track sesssion while calling Agent in email_security_example (#5446)

* Address PR review: fix paths and update FIDES implementation

* Address PR comments and add session tracking in email example in samples

* Fix session creation and resolve merge conflict in docstring example

* Resolve merge conflict in docstring example

* Python: add test for empty-message pruning in approval result replacement (#5617)

Adds test coverage for the second-pass logic in
`_replace_approval_contents_with_results` that removes messages whose
`contents` list becomes empty after first-pass content removal.

Addresses review comment on PR #5331:
https://github.com/microsoft/agent-framework/pull/5331#discussion_r3129039445

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: shrutitople <shruti.tople@gmail.com>
Co-authored-by: Aashish <t-akolluri@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
    Eduard van Valkenburg · 2026-05-05 18:08:08 +00:00
    ddfbdf5c7a