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Title: [v1.x] fix: return HTTP 404 for unknown session IDs instead of 400 by LucaButBoring · Pull Request #1945 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: [v1.x] fix: return HTTP 404 for unknown session IDs instead of 400 by LucaButBoring · Pull Request #1945 · modelcontextprotocol/python-sdk

X Title: [v1.x] fix: return HTTP 404 for unknown session IDs instead of 400 by LucaButBoring · Pull Request #1945 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - [v1.x] fix: return HTTP 404 for unknown session IDs instead of 400 by LucaButBoring · Pull Request #1945 · modelcontextprotocol/python-sdk

Open Graph Description: This is a backport of #1808 to the v1.x branch. Original PR description: Summary Fixes incorrect HTTP status code returned by StreamableHTTPSessionManager when receiving requests with unknown or e...

X Description: This is a backport of #1808 to the v1.x branch. Original PR description: Summary Fixes incorrect HTTP status code returned by StreamableHTTPSessionManager when receiving requests with unknown or e...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/1945

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fix: return HTTP 404 for unknown session IDs instead of 400 (https://github.com/modelcontextprotocol/python-sdk/pull/1945/commits/85bac7c4566eb9d855c00209e86ff1b85d8ac143
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Session ID not present in memory store should return 404, not 400 #1004 https://github.com/modelcontextprotocol/python-sdk/issues/1004
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