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Title: fix: propagate HTTP errors from transports instead of silently logging by MaxwellCalkin · Pull Request #2249 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: propagate HTTP errors from transports instead of silently logging by MaxwellCalkin · Pull Request #2249 · modelcontextprotocol/python-sdk

X Title: fix: propagate HTTP errors from transports instead of silently logging by MaxwellCalkin · Pull Request #2249 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix: propagate HTTP errors from transports instead of silently logging by MaxwellCalkin · Pull Request #2249 · modelcontextprotocol/python-sdk

Open Graph Description: Note: This PR was authored by Claude (AI), operated by @MaxwellCalkin. Summary Fixes #2110 When an MCP server returns non-2xx HTTP status codes (401/403/404/5xx), the Streamable HTTP and SSE transp...

X Description: Note: This PR was authored by Claude (AI), operated by @MaxwellCalkin. Summary Fixes #2110 When an MCP server returns non-2xx HTTP status codes (401/403/404/5xx), the Streamable HTTP and SSE transp...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2249

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HTTP transport swallows non-2xx status codes causing client to hang #2110 https://github.com/modelcontextprotocol/python-sdk/issues/2110
fix(client): propagate SSE POST errors to caller instead of hanging (#2110) #2483 https://github.com/modelcontextprotocol/python-sdk/pull/2483
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