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Eduard van Valkenburg 8ed50009c6 Python: Centralize tool result parsing in FunctionTool.invoke() (#3854 )

* Centralize tool result parsing in FunctionTool.invoke()

- Add parse_result static method to FunctionTool that converts raw
  function return values to strings at invocation time
- Add result_parser parameter to FunctionTool and @tool decorator
  for custom parsing
- Remove prepare_function_call_results from all 9 consumer files
  and from the public API
- Update MCPTool to parse MCP types directly to strings via
  _parse_tool_result_from_mcp and _parse_prompt_result_from_mcp
- Change MCPTool parse_tool_results/parse_prompt_results type from
  Literal[True] | Callable | None to Callable | None
- Remove ReturnT type parameter from FunctionTool (now single
  generic ArgsT since invoke() always returns str)
- Update all subclass signatures and docstrings

Fixes #1147

* Fix test_mcp_tool_call_tool_with_meta_integration for string results

The test was still accessing result[0].additional_properties but
invoke() now returns a string, not a list of Content objects.

* Fix SIM108 lint: use binary operator for output assignment

* Fix bedrock: use FunctionTool.parse_result instead of str() fallback

str(result) turns None into literal 'None' and dicts into Python reprs
with single quotes, breaking JSON parsing. Use the shared parse_result
which handles None as '' and serializes via json.dumps.

* updated lock

* updates from feedback

8ed50009c6 · 2026-02-12 13:49:42 +00:00

History

agent_framework_anthropic

Python: Centralize tool result parsing in FunctionTool.invoke() (#3854 )

2026-02-12 13:49:42 +00:00

tests

Python: Replace Pydantic Settings with TypedDict + load_settings() (#3843 )

2026-02-12 08:51:20 +00:00

AGENTS.md

.NET: Python: Add AGENTS.md files and update coding standards (#3644 )

2026-02-05 10:27:46 +00:00

LICENSE

Python: Introducing the Anthropic Client (#1819 )

2025-11-03 19:32:28 +00:00

pyproject.toml

Update package versions (#3838 )

2026-02-11 00:20:29 +00:00

README.md

Python: Introducing the Anthropic Client (#1819 )

2025-11-03 19:32:28 +00:00

README.md

Get Started with Microsoft Agent Framework Anthropic

Please install this package via pip:

pip install agent-framework-anthropic --pre

Anthropic Integration

The Anthropic integration enables communication with the Anthropic API, allowing your Agent Framework applications to leverage Anthropic's capabilities.

Basic Usage Example

See the Anthropic agent examples which demonstrate:

Connecting to a Anthropic endpoint with an agent
Streaming and non-streaming responses