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"
This is the documented Grafana v10 breaking change: OAuth integrations no longer look users up by email, which is how your 9.x users were matched. Existing accounts cant be found by email anymore, so the signup path fails with "user already
- Supabase MCP OAuth fails with {"message":"Unrecognized client_id"} in Cursor / Claude Code
The most common root cause is a stale cached OAuth Dynamic Client Registration on the client side: the client keeps re-sending a client_id that Supabase's auth server no longer recognizes, so every login attempt fails the same way. Fix: del