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Title: fix: wrap pipe union structured outputs by he-yufeng · Pull Request #2669 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: wrap pipe union structured outputs by he-yufeng · Pull Request #2669 · modelcontextprotocol/python-sdk

X Title: fix: wrap pipe union structured outputs by he-yufeng · Pull Request #2669 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix: wrap pipe union structured outputs by he-yufeng · Pull Request #2669 · modelcontextprotocol/python-sdk

Open Graph Description: Summary use Pydantic's explicit (annotation, ...) field form for wrapped structured outputs add a regression test for PEP 604 unions that include container types Fixes #2591 To verify .\.ven...

X Description: Summary use Pydantic's explicit (annotation, ...) field form for wrapped structured outputs add a regression test for PEP 604 unions that include container types Fixes #2591 To verify .\...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2669

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FastMCP crashes when tool return type uses Python 3.10+ A | B | C union syntax #2591 https://github.com/modelcontextprotocol/python-sdk/issues/2591
test(mcpserver): cover PEP 604 union return annotations (#2591) #2906 https://github.com/modelcontextprotocol/python-sdk/pull/2906
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