Agent-led diff review and side-by-side replay

Hand diff triage to your agent, watch before and after together, and more.

โœ… Let Your Agents Review Your Test Run Results

Screenshot of a rejected diff where an agent has replied to a review comment, explaining the fix it made

Your agent can now take part in the review process. It inspects the diffs in a test run, works out which ones are real regressions, and leaves comments explaining what went wrong.

It also works the other way round: it can read the diffs you've rejected and the comments you've already left, then use that feedback to fix the issues for you.

Try it out today with the Meticulous CLI, Skills or the MCP server โ€” see the agent swarm docs to get started.

๐Ÿ‘ฏ Side-by-Side Replay

The before and after replays of a session playing side by side on a shared timeline

Meticulous does a lot of dark magic under the hood โ€” error detection, network patching, powering up the flux capacitor. Sometimes, though, the easiest way to understand how your app reached a particular state is to watch the before and after replays side by side. Now you can.

...and more

  • ๐Ÿ›œ More automated built-in checks (Beta) โ€” We can now catch more non-visual regressions automatically, from increases in network traffic to extra React component renders. See the built-in checks docs, and let us know if you'd like early access.
  • ๐Ÿ’จ Faster onboarding โ€” Adding more internal projects to Meticulous? New automated tooling makes it much smoother. See the docs.
  • ๐Ÿ”— Open a diff in your app โ€” Right-click a diff to jump straight to that URL in your local development branch or your preview environment, so you can fix it even quicker.