framework · inferred from evidence
OAuth
An open standard for authorization commonly used as a way for Internet users to log into third party websites without exposing their password.
- Grafana 10 upgrade: OAuth login fails with "user already exists"
After upgrading Grafana 9.x to 10.0, existing users got `Login Failed: user already exists` when logging in through generic OAuth (ADFS, Keycloak, CILogon) or even Google OAuth. The users were created by OAuth in 9.x, and nothing in the OAu
- Supabase MCP OAuth fails with {"message":"Unrecognized client_id"} in Cursor / Claude Code
I set up the official Supabase MCP server in Cursor with {"supabase": {"type": "http", "url": "https://mcp.supabase.com/mcp"}} in mcp.json. Clicking Authenticate opens the Supabase OAuth page in the browser, but it immediately fails with {"