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Title: Fix stale auth context in stateful StreamableHTTP sessions by raashish1601 · Pull Request #2363 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: Fix stale auth context in stateful StreamableHTTP sessions by raashish1601 · Pull Request #2363 · modelcontextprotocol/python-sdk

X Title: Fix stale auth context in stateful StreamableHTTP sessions by raashish1601 · Pull Request #2363 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - Fix stale auth context in stateful StreamableHTTP sessions by raashish1601 · Pull Request #2363 · modelcontextprotocol/python-sdk

Open Graph Description: Summary rebind the auth ContextVar from the current transport request before low-level server dispatch add a stateful StreamableHTTP regression that switches from token-A to token-B within one ses...

X Description: Summary rebind the auth ContextVar from the current transport request before low-level server dispatch add a stateful StreamableHTTP regression that switches from token-A to token-B within one ses...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2363

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Fix stale auth context in stateful StreamableHTTP sessionshttps://github.com/modelcontextprotocol/python-sdk/pull/2363#top
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Mar 27, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2363#issue-4156293032
get_access_token() returns stale token in stateful streamable-HTTP sessions #2208https://github.com/modelcontextprotocol/python-sdk/issues/2208
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2363
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March 28, 2026 04:05https://github.com/modelcontextprotocol/python-sdk/pull/2363#commits-pushed-a4ffc4b
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Fix stateful StreamableHTTP auth context rebindinghttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/a4ffc4bb11eb97dd20f19b2015a87f72a6b9a373
a4ffc4bhttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/a4ffc4bb11eb97dd20f19b2015a87f72a6b9a373
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fix: accept mapping-backed auth scopeshttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/08ae6dfae2035de535bac415bc62dfe5facec932
08ae6dfhttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/08ae6dfae2035de535bac415bc62dfe5facec932
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test: isolate streamable auth regression server lifecyclehttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/a040142b4f87c52666a15de47c5ae527ba0f2aa7
a040142https://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/a040142b4f87c52666a15de47c5ae527ba0f2aa7
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fix: rebind auth context for notificationshttps://github.com/modelcontextprotocol/python-sdk/pull/2363/commits/08c6c0dfbfe120ffc1ab4f6d8c8e6994c3932f54
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May 18, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2363#issuecomment-4480006880
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get_access_token() returns stale token in stateful streamable-HTTP sessions https://github.com/modelcontextprotocol/python-sdk/issues/2208
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