feat: Add structured output support for tool functions by bhosmer-ant · Pull Request #993

feat: Add structured output support for tool functions by bhosmer-ant · Pull Request #993 · modelcontextprotocol/python-sdk

ihrpr changed the base branch from main to basil/lowlevel_schema_validation

June 25, 2025 07:32

ihrpr previously approved these changes Jun 25, 2025

Base automatically changed from basil/lowlevel_schema_validation to main

June 25, 2025 13:23

- Add support for tool functions to return structured data with validation
- Functions can now use structured_output=True to enable output validation
- Add outputSchema field to Tool type in MCP protocol
- Implement client-side validation of structured content
- Add comprehensive tests for all supported types
- Add documentation and examples

ihrpr previously approved these changes Jun 25, 2025

- strict serializability checking
- simpler, more consistent handling of return type detection and conversion
- centralized logic

ihrpr deleted the basil/structured_output branch

June 26, 2025 08:36

ihrpr linked an issue

Jun 26, 2025

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rongfengliang added a commit to rongfengliang/LitServe that referenced this pull request

Jul 2, 2025

From modelcontextprotocol/python-sdk#993, this PR removes _convert_to_content from utilities.func_metadata to support older versions of the MCP package (less than v1.10.0). Some checks will be included.

aniketmaurya pushed a commit to Lightning-AI/LitServe that referenced this pull request

Jul 2, 2025

* Update mcp.py

From modelcontextprotocol/python-sdk#993, this PR removes _convert_to_content from utilities.func_metadata to support older versions of the MCP package (less than v1.10.0). Some checks will be included.

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