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Title: fix: don't send log notification on transport error by maxisbey · Pull Request #2257 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: don't send log notification on transport error by maxisbey · Pull Request #2257 · modelcontextprotocol/python-sdk

X Title: fix: don't send log notification on transport error by maxisbey · Pull Request #2257 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix: don't send log notification on transport error by maxisbey · Pull Request #2257 · modelcontextprotocol/python-sdk

Open Graph Description: When a transport yields an Exception into the server's read stream (e.g., the streamable HTTP POST handler catches an error, or JSON parsing fails on stdio/SSE/websocket), _handle_message was a...

X Description: When a transport yields an Exception into the server's read stream (e.g., the streamable HTTP POST handler catches an error, or JSON parsing fails on stdio/SSE/websocket), _handle_message w...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2257

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Mar 9, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2257#issue-4046544274
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fix: don't send log notification on transport errorhttps://github.com/modelcontextprotocol/python-sdk/pull/2257/commits/c1fe08c06b7d6289f4ae0123e0eec4c6d8ee59c5
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fix: remove stale no-cover pragma and simplify regression testhttps://github.com/modelcontextprotocol/python-sdk/pull/2257/commits/af8c597313bef14f7c59608d98c9131535f00533
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fix: cancel in-flight handlers when transport closes in server.run() #2306 https://github.com/modelcontextprotocol/python-sdk/pull/2306
fix: upgrade mcp SDK to v1.x branch to fix ClosedResourceError datagouv/datagouv-mcp#84 https://github.com/datagouv/datagouv-mcp/pull/84
MCP Out of Memory errors on production instances datagouv/datagouv-mcp#86 https://github.com/datagouv/datagouv-mcp/issues/86
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May 8, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2257#ref-issue-4390874233
Bug: stdio transport fails to handle Content-Length header format from MCP clients #2546 https://github.com/modelcontextprotocol/python-sdk/issues/2546
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