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validates incoming tool call arguments against tool's inputSchema
note: @server.call_tool(validate_input=False) can be used to disable input validation
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Update recipe to 1.12.2
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Aug 11, 2025
| https://github.com/modelcontextprotocol/python-sdk/pull/1005#ref-pullrequest-3310428033 |
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Fix error outputSchema defined but no structured output returned
ydb-platform/ydb-mcp#11
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Sep 5, 2025
| https://github.com/modelcontextprotocol/python-sdk/pull/1005#ref-pullrequest-3046787166 |
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OutputSchema support in MCP tools
#654
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