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Title: fix(auth): normalize redirect URI URL subclasses by he-yufeng · Pull Request #2808 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix(auth): normalize redirect URI URL subclasses by he-yufeng · Pull Request #2808 · modelcontextprotocol/python-sdk

X Title: fix(auth): normalize redirect URI URL subclasses by he-yufeng · Pull Request #2808 · modelcontextprotocol/python-sdk

Description: Summary Fixes #2687. OAuthClientInformationFull.redirect_uris is declared as list[AnyUrl], but Pydantic v2 preserves already-validated URL subclasses such as AnyHttpUrl. That makes a stored AnyHttpUrl("https://...") fail membership checks against an incoming AnyUrl("https://..."), even when the URL text is identical. This normalizes URL subclass instances back through strings at the model boundary, so redirect URI validation compares the declared AnyUrl values rather than the wrapper subclass type. Validation uv run pytest tests/shared/test_auth.py -q uv run ruff check src/mcp/shared/auth.py tests/shared/test_auth.py uv run ruff format --check src/mcp/shared/auth.py tests/shared/test_auth.py python -m py_compile src/mcp/shared/auth.py tests/shared/test_auth.py git diff --check

Open Graph Description: Summary Fixes #2687. OAuthClientInformationFull.redirect_uris is declared as list[AnyUrl], but Pydantic v2 preserves already-validated URL subclasses such as AnyHttpUrl. That makes a stored AnyHttp...

X Description: Summary Fixes #2687. OAuthClientInformationFull.redirect_uris is declared as list[AnyUrl], but Pydantic v2 preserves already-validated URL subclasses such as AnyHttpUrl. That makes a stored AnyHttp...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2808

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f43f0b6 fix(auth): normalize redirect URI URL subclasses he-yufeng Jun 7, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2808/commits/f43f0b68f1b790148135a0643ec1f077441afe8b
4d2fac6 fix: type redirect URI normalization he-yufeng Jun 7, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2808/commits/4d2fac6f18fc2b9f854876b8b78487084972d38e
ee0408f fix: cover redirect URI collection inputs he-yufeng Jun 10, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2808/commits/ee0408f382b872c6051e7eec078892e94bbd11d9
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