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Title: Fix RFC 8252 Section 7.3 compliance for loopback redirect URIs by williamomeara · Pull Request #1934 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: Fix RFC 8252 Section 7.3 compliance for loopback redirect URIs by williamomeara · Pull Request #1934 · modelcontextprotocol/python-sdk

X Title: Fix RFC 8252 Section 7.3 compliance for loopback redirect URIs by williamomeara · Pull Request #1934 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - Fix RFC 8252 Section 7.3 compliance for loopback redirect URIs by williamomeara · Pull Request #1934 · modelcontextprotocol/python-sdk

Open Graph Description: Problem The MCP SDK's OAuthClientMetadata.validate_redirect_uri() method performs exact string matching on redirect URIs, which violates RFC 8252 Section 7.3 for loopback addresses. RFC 8252 Se...

X Description: Problem The MCP SDK's OAuthClientMetadata.validate_redirect_uri() method performs exact string matching on redirect URIs, which violates RFC 8252 Section 7.3 for loopback addresses. RFC 825...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/1934

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DCR registration accepts redirect_uris with non-HTTPS / non-loopback / fragmented schemes #2629 https://github.com/modelcontextprotocol/python-sdk/issues/2629
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OAuthClientInformationFull.redirect_uris: pydantic strict-type-equality breaks AnyUrl(x) != AnyHttpUrl(x) round-trip #2687 https://github.com/modelcontextprotocol/python-sdk/issues/2687
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