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Title: fix: skip outputSchema validation when CallToolResult.is_error=True by RanjithHiremath · Pull Request #2508 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: skip outputSchema validation when CallToolResult.is_error=True by RanjithHiremath · Pull Request #2508 · modelcontextprotocol/python-sdk

X Title: fix: skip outputSchema validation when CallToolResult.is_error=True by RanjithHiremath · Pull Request #2508 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix: skip outputSchema validation when CallToolResult.is_error=True by RanjithHiremath · Pull Request #2508 · modelcontextprotocol/python-sdk

Open Graph Description: Resolves #2429. When a tool function with an output_schema returns CallToolResult(is_error=True), convert_result() was unconditionally calling output_model.model_validate(result.structured_content)...

X Description: Resolves #2429. When a tool function with an output_schema returns CallToolResult(is_error=True), convert_result() was unconditionally calling output_model.model_validate(result.structured_content)...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2508

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og:image:altResolves #2429. When a tool function with an output_schema returns CallToolResult(is_error=True), convert_result() was unconditionally calling output_model.model_validate(result.structured_content)...
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[v1.x] Server-side outputSchema validation blocks tool error reporting (isError: true) https://github.com/modelcontextprotocol/python-sdk/issues/2429
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