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Fix leaked anyio streams in streamable_http (#1991)

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Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>
This commit is contained in:
Aaron Abbott 2026-02-11 09:52:07 -05:00 • committed by GitHub
commit f049c8e5c6
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1 changed files with 159 additions and 141 deletions
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4
src/mcp/server/lowlevel/server.py
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@ -739,9 +739,7 @@ class Server(Generic[LifespanResultT, RequestT]):
request_data = None
close_sse_stream_cb = None
close_standalone_sse_stream_cb = None
if message.message_metadata is not None and isinstance(
message.message_metadata, ServerMessageMetadata
): # pragma: no cover
if message.message_metadata is not None and isinstance(message.message_metadata, ServerMessageMetadata):
request_data = message.message_metadata.request_context
close_sse_stream_cb = message.message_metadata.close_sse_stream
close_standalone_sse_stream_cb = message.message_metadata.close_standalone_sse_stream