Test before you commit. Not after.

Add Certyn to your GitHub Actions pipeline or run certyn run locally against your preview URL. When Claude Code asks "does this work?" Certyn gives the gate result.

Terminal — ~/projects/myapp

$ certyn run smoke --project myapp --url https://dev.myapp.ngrok.io

▶ Process: smoke · preview run

Creating temporary environment...

Waiting for run gate result.

✓ Run created ok 2s

✓ 5 executions completed ok 45s

✓ 0 failed ok 45s

✓ 0 blocked ok 45s

✓ Diagnostics not needed ok 45s

Smoke gate passed · 45s total

✓ Run passed

Run certyn run against a preview URL before pushing code.

“I added certyn run to my Claude Code workflow and I haven't had a broken PR in three weeks. It just works.”
— Developer using Certyn

What developers get

certyn run

Run smoke tests against preview URLs or existing environments before pushing code.

CI integration

One step in your GitHub Actions pipeline. Tests run against preview deploys automatically.

Claude Code loop

AI writes code, Certyn verifies it, AI fixes failures. Ship features without manual testing.

Test before you commit. Not after.

Add certyn run to your workflow in 5 minutes.

Get started