Catching UI Drift From AI Coding Agents Before It Ships
Claude Code, Cursor, and Windsurf check their work with type checkers and tests — nothing that renders a pixel. A practical setup for letting the agent diff its own UI changes over MCP before it opens a PR.
CI / CDVisual Regression Testing on Vercel Preview URLs with GitHub Actions
Your PRs already produce preview deployments, so diff them. One workflow file, one secret, per-branch baselines, and a status check that blocks merge until someone approves the change.
StorybookStorybook Visual Regression Testing Without the Per-Snapshot Bill
Storybook's index.json already lists every component state you care about. Loop over it with a Playwright reporter and diff every story on every PR, without a per-snapshot meter running.