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feat: add multi-level initial access token support for OAuth 2.0 Dynamic Client Registration (RFC 7591)

authIssues and PRs related to Authentication / OAuthIssues and PRs related to Authentication / OAuth

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 1154

#1154 In modelcontextprotocol/python-sdk;

· by andormarkus was closed on Oct 13, 2025

fix: fix OAuth flow request object handling

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 1174

#1174 In modelcontextprotocol/python-sdk;

· by clareliguori was closed on Jul 21, 2025

feat: add claims field to AccessToken for decoded token payload

authIssues and PRs related to Authentication / OAuthIssues and PRs related to Authentication / OAuth

bugSomething isn't workingSomething isn't working

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 1165

#1165 In modelcontextprotocol/python-sdk;

· by robertofalk was closed on Sep 26, 2025

Implement support for client_credentials and RFC 7523

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 1020

#1020 In modelcontextprotocol/python-sdk;

· by LucaButBoring was closed on Aug 5, 2025

Fix : token_endpoint_auth_signing_alg_values_supported is a json array

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 1226

#1226 In modelcontextprotocol/python-sdk;

· by yannj-fr was closed on Aug 6, 2025

Fix OAuth metadata validation for compliant servers

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 778

#778 In modelcontextprotocol/python-sdk;

· by jalehman was closed on Jun 11, 2025

fix: support "form_post" to be one of response modes in authorization server metadata validation

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 1046

#1046 In modelcontextprotocol/python-sdk;

· by ke-yu was closed on Jul 4, 2025

Fix building auth metadata paths

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 779

#779 In modelcontextprotocol/python-sdk;

· by Rodriguespn was closed on May 26, 2025

Implement RFC9728 - Support WWW-Authenticate header by MCP client

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 1071

#1071 In modelcontextprotocol/python-sdk;

· by yurikunash was closed on Jul 15, 2025

Support falling back to OIDC metadata for auth

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 1061

#1061 In modelcontextprotocol/python-sdk;

· by LucaButBoring was closed on Jul 17, 2025

Add support for remote-oauth-support Fix #686

needs more workNot ready to be merged yet, needs additional follow-up from the author(s).Not ready to be merged yet, needs additional follow-up from the author(s).

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 764

#764 In modelcontextprotocol/python-sdk;

· by ravibits was closed on Dec 19, 2025

OAuth Update: Adding the Client Credentials & Token Exchange Grant Types

authIssues and PRs related to Authentication / OAuthIssues and PRs related to Authentication / OAuth

needs maintainerPotentially serious issue - needs proactive fix and maintainer attentionPotentially serious issue - needs proactive fix and maintainer attention

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 882

#882 In modelcontextprotocol/python-sdk;

· by SoldierSacha was closed on Dec 2, 2025

oauth protected resource metadata URL

authIssues and PRs related to Authentication / OAuthIssues and PRs related to Authentication / OAuth

bugSomething isn't workingSomething isn't working

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

ready for workEnough information for someone to start working onEnough information for someone to start working on

Status: Closed (completed).

#1049 In modelcontextprotocol/python-sdk;

· by ke-yu was closed on Oct 6, 2025