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Kerno
by Kerno · AI backend QA engineer
What it does on its own
Writes and runs backend tests against your running app and real dependencies (APIs, MCP, contracts, async workers, security), catching regressions that code review and AI-written tests miss.
Kerno 1.0 launched on Product Hunt (week of 2026-10-12). Pitched as a check on every change your coding agents ship.
Jobs you can hire it for
- Test my backend before release
- Check agent-written code against real dependencies
- Find API security issues
We haven't matched this agent to a job page yet. See what it does above.
How to start
- Install the CLI: npm i @kerno/cli, then sign in (free plan, no card).
- Point it at your running backend and one repo.
- Let it generate scenarios; review and keep the useful ones.
- Add it to CI so every agent-written PR is tested against the real stack.
Based on the official docs: kerno.io/. Steps can change, so check there for the latest.
FAQ
- What does Kerno do?
- Kerno by Kerno Writes and runs backend tests against your running app and real dependencies (APIs, MCP, contracts, async workers, security), catching regressions that code review and AI-written tests miss.
- What does Kerno cost?
- Kerno costs Community $0/dev/mo; Pro $50/dev/mo; Enterprise custom; free for qualifying open source; 50% off pre-Series A startups (checked on the vendor pricing page, 2026-10-16). See the vendor pricing page for the latest.
- Does Kerno have a free plan?
- Yes. Kerno has a free plan or free tier (checked 2026-10-16). Pricing: Community $0/dev/mo; Pro $50/dev/mo; Enterprise custom; free for qualifying open source; 50% off pre-Series A startups.
- How do I start with Kerno?
- Install the CLI: npm i @kerno/cli, then sign in (free plan, no card). Point it at your running backend and one repo. Let it generate scenarios; review and keep the useful ones.
- What jobs can I hire Kerno for?
- Kerno Writes and runs backend tests against your running app and real dependencies (APIs, MCP, contracts, async workers, security), catching regressions that code review and AI-written tests miss. We have not matched it to a job page yet.
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