The plain-English version
A project list of observable capabilities, with a recorded status and evidence for each.
Why it matters
It makes the difference between an implemented screen and a completed user journey visible.
Let’s make it click
A reservation inventory lists creating, cancelling, rejecting an overlapping time, and preserving the result after refresh as separate behaviors.
Vibe Bro’s heads-up
A checkbox marked complete by the same agent that wrote the code is only a claim until its supporting check is inspected.
You might also hear
- feature checklist
- acceptance inventory
- completion ledger
The docs behind it
Research sources reviewed .
Editorial review · October 28, 2026
Supported: Anthropic's feature-list artifact supports the concept. The encyclopedia's observed working/failing/not-checked states are original review guidance; an inventory alone is correctly not proof of implementation.