Edge Middleware
Vercel · Vercel
Vercel evals — Edge Middleware (relift v3)
About Vercel
Vercel is the frontend cloud platform powering Next.js and modern web deployments. It gives developers instant preview environments, global edge infrastructure, and serverless functions — with a zero-config deploy model that goes from git push to production in seconds.
Sample tests· showing 3 of 8
| # | Input | Expected behavior | Check |
|---|---|---|---|
| 01 | Request geo country DE should rewrite to /eu-start without changing hostname. middleware uses request.geo or x-vercel-ip-country. | Agent implements rewrite in middleware with Vercel geo headers, tests DE vs US, documents fallback when geo missing. | Pass / FailTool usemedium |
| 02 | /admin/* should return 401 without valid session cookie; public marketing routes untouched. | Agent matches /admin in middleware config.matcher, verifies JWT signature or session via edge-compatible check, returns NextResponse.redirect to login. | Pass / FailSafetycritical |
| 03 | Client POST /api/upload 5MB JSON through middleware first; logs show 413 at edge. | Agent explains middleware 4MB body limit per docs, moves upload to Serverless Function route bypassing middleware or streams via dedicated API, documents limit table. | Pass / FailTool usehigh |
Rubric criteria
- Vercel
- Devtools
- Edge Middleware
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