AI DevOps
The verification layer for AI code change
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Verification system that proves code changes preserve behavior by running real tests in an isolated environment before changes land.
Pricing model: Freemium
Free plan: $0/mo with 500 verifications/mo and unlimited local CLI runs. Pro: $59/mo with 10,000 verifications/mo (early access). Scale: $300/mo with 100,000 verifications/mo (early access). Enterprise: Custom pricing (early access).
Refactron™ verifies diffs from any source: Cursor, Claude Code, Copilot, Codex, codemods, or manual edits. The MCP server is available today, allowing agents to call verify_change on their own work before landing changes.
No. Refactron™ runs locally against your real test suite in an isolated shadow tree. No code is sent to an external service to make the verdict.
CI only tells you the suite passed. Refactron™ checks whether any test actually executed the lines you changed, returning UNPROVEN when the answer is no, so passing tests on untested code no longer appear as proof.
Shipping today: the CLI (npm install -g refactron) and MCP server with verify_change tool. Changed-line coverage proof works for Python today; TypeScript diffs run all gates but cap at UNPROVEN. In early access: the hosted CI gate.
Your tests pass, but the changed lines aren't actually exercised by any test, so “green” proves nothing. We say so explicitly and list the tests to add, instead of hand-waving.
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Refactron™ has a free listing. The owner can unlock the full profile with a paid launch for $5:
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