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Follow redirects only within the MCP endpoint's origin (#3397)

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Max 2026-09-04 23:43:38 +01:00 • committed by GitHub
commit c6762e821c
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8
tests/client/test_http_unicode.py
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@ -112,11 +112,9 @@ async def unicode_session() -> AsyncIterator[ClientSession]:
async with (
session_manager.run(),
# follow_redirects matches the SDK's own client factory; Starlette's Mount 307-redirects
# the bare /mcp path to /mcp/.
httpx2.AsyncClient(
transport=StreamingASGITransport(app), base_url=BASE_URL, follow_redirects=True
) as http_client,
# Starlette's Mount 307-redirects the bare /mcp path to /mcp/; the transport follows that
# same-origin redirect itself.
httpx2.AsyncClient(transport=StreamingASGITransport(app), base_url=BASE_URL) as http_client,
streamable_http_client(f"{BASE_URL}/mcp", http_client=http_client) as (read_stream, write_stream),
ClientSession(read_stream, write_stream) as session,
):