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Title: Fix SSE timeout hang by propagating transport exceptions to pending r… by widgetwalker · Pull Request #2430 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: Fix SSE timeout hang by propagating transport exceptions to pending r… by widgetwalker · Pull Request #2430 · modelcontextprotocol/python-sdk

X Title: Fix SSE timeout hang by propagating transport exceptions to pending r… by widgetwalker · Pull Request #2430 · modelcontextprotocol/python-sdk

Description: Fixed SSE timeout hang in BaseSession._receive_loop. This fix propagates transport-level exceptions (like SSE read timeouts) to all pending request streams, ensuring RPC calls don't hang if the underlying connection fails. This specifically addresses issue #1401.

Open Graph Description: Fixed SSE timeout hang in BaseSession._receive_loop. This fix propagates transport-level exceptions (like SSE read timeouts) to all pending request streams, ensuring RPC calls don't hang if the...

X Description: Fixed SSE timeout hang in BaseSession._receive_loop. This fix propagates transport-level exceptions (like SSE read timeouts) to all pending request streams, ensuring RPC calls don't hang if...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2430

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6b85e59 Fix SSE timeout hang by propagating transport exceptions to pending r… Apr 13, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2430/commits/6b85e59774fab37ee4a97e1f52cc2745968788a8
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