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feat(client): support HTTP auth in ClientSessionGroup #3516

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feat(client): support HTTP auth in ClientSessionGroup #3516

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865d13d
feat(client): support HTTP auth in ClientSessionGroup
Sep 17, 2026
c4d7ef2
docs: wrap session group auth example in async function
Sep 17, 2026
2ad805d
test: exercise auth_flow to achieve 100% test file coverage
Sep 17, 2026
0b15b01
test: remove obsolete pragma and isolate session establishment in tests
Sep 17, 2026
741fc75
test: use patch decorators on session tests to prevent python 3.14 br…
Sep 17, 2026
8195fa0
docs(session-groups): add asyncio runner to auth example
Sep 21, 2026
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test: remove obsolete pragma and isolate session establishment in tests
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Rashmi
Rashmi committed Sep 17, 2026
commit 0b15b01a1f88ee28431d7460623ff17268be6e77
2 changes: 1 addition & 1 deletion src/mcp/shared/_httpx_utils.py
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Expand Up @@ -59,7 +59,7 @@ def create_mcp_http_client(
kwargs: dict[str, Any] = {"timeout": timeout}
if headers is not None:
kwargs["headers"] = headers
if auth is not None: # pragma: no cover
if auth is not None:
kwargs["auth"] = auth
return httpx2.AsyncClient(**kwargs)

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7 changes: 4 additions & 3 deletions tests/client/test_session_group.py
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Expand Up @@ -562,9 +562,10 @@ def record_stream_client(*args: Any, **kwargs: Any) -> mock.AsyncMock:
mock_session_cls.return_value = mock_session_cm

group = ClientSessionGroup()
async with group:
await group.connect_to_server(params_a)
await group.connect_to_server(params_b)
async with contextlib.AsyncExitStack() as stack:
group._exit_stack = stack
await group._establish_session(params_a, ClientSessionParameters())
await group._establish_session(params_b, ClientSessionParameters())

assert len(recorded_clients) == 2
assert recorded_clients[0].auth is auth_a
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