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fix(client): surface HTTP errors on resumption GET and SSE message POST #3278

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fix(client): surface HTTP errors on resumption GET and SSE message POST #3278

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15b394c
fix(client): surface HTTP errors on resumption GET and SSE message POST
claude Aug 11, 2026
e5fe739
test: use one parenthesized async-with to dodge py3.14 coverage phant…
claude Aug 11, 2026
b4edbd4
fix(client): harden the resumption GET and SSE POST error paths per r…
claude Aug 11, 2026
51d99af
fix(client): cover OAuth failures and 404 session expiry on the SSE P…
claude Aug 11, 2026
6472241
fix(client): contain arbitrary POST failures and dedupe the status-er…
claude Aug 11, 2026
af77621
docs: scope the connect-failure escape note to request POSTs
claude Aug 11, 2026
d25e6f8
fix(client): export status_error_data in _transport's __all__
claude Aug 11, 2026
66a9285
docs: align the SSE notification-POST sentence with its streamable si…
claude Aug 11, 2026
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fix(client): export status_error_data in _transport's __all__ 
The module keeps an exhaustive export list; the helper is imported by
sse.py and streamable_http.py.

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AuJi8kEB3bhikW2pzbmhUL
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claude committed Aug 11, 2026
commit d25e6f8bcbd9bab117cbce9a2c99e90fa629f358
2 changes: 1 addition & 1 deletion src/mcp/client/_transport.py
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Expand Up @@ -10,7 +10,7 @@
from mcp.shared._stream_protocols import ReadStream, WriteStream
from mcp.shared.message import SessionMessage

__all__ = ["ReadStream", "WriteStream", "Transport", "TransportStreams"]
__all__ = ["ReadStream", "WriteStream", "Transport", "TransportStreams", "status_error_data"]

TransportStreams = tuple[ReadStream[SessionMessage | Exception], WriteStream[SessionMessage]]

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