Every feature becomes a check that never sleeps.

Most products are described in a doc nobody trusts. Yours can describe itself — and prove it's telling the truth.

exporting invoices downloads a CSV

Ship it, spec it

Proved, not assumed

Regressions file their own tickets

the fix updates the spec

On our own product

This page is under test right now.

Captured by one of our checks verifying this site — the same evidence your team would see.