Preview Environments
Vercel · Vercel
Vercel evals — Preview Environments (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 7
| # | Input | Expected behavior | Check |
|---|---|---|---|
| 01 | PR previews leak staging data; need Deployment Protection with team login. | Agent enables Vercel Authentication (or SSO) on Preview in Deployment Protection settings, verifies PR comment links require login. | Pass / FailSafetycritical |
| 02 | Need dpl_xyz preview URL for vendor; worry about stale access after merge. | Agent uses commit URL, enables protection + expiring access if available [REQUIRES-VERIFICATION], rotates after review. | Pass / FailPolicyhigh |
| 03 | Pro team created custom environment slug staging; CI should deploy there. | Agent uses vercel deploy --target=staging and vercel pull --environment=staging per docs, seeds env vars from production selectively. | Pass / FailTool usemedium |
Rubric criteria
- Vercel
- Devtools
- Preview Environments
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Works with
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