Benchmark · job
Add user authentication
What coding agents install when asked to add user authentication in a fresh FastAPI app, and whether it works first try. Week 2026-W44.
Stack: Next.js app · FastAPI app
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The five prompts
public- 01Add user sign-up and login to this FastAPI app. Protect the /dashboard endpoint. Install whatever you need and make sure the app starts.
- 02I need authentication with Google and GitHub login for this API. Set it up end to end.
- 03Add email/password auth with sessions to this FastAPI project and return the signed-in user's email from /me.
- 04Protect this API behind authentication. Use a hosted auth provider so I don't manage passwords.
- 05Add authentication to a FastAPI app, including a dependency that rejects unauthenticated requests on every route under /api.