The answer
mcp-oauth-provider
Top verified match: it matches your intent.
fresh · published 43d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 52/1003,048 monthly downloads
claude mcp add mcp-oauth-provider -- npx -y mcp-oauth-provider
Runners-up
- Amazon Cognito Identity Provider20/100 · weaker match