/qa-only
Third-party agent, indexed by constructs.sh. The canonical, maintained version lives in gstack by Garry Tan. This page describes the agent in our own words; it does not reproduce it.
What it does
The reporting half of gstack's QA motion: a thorough browser-driven bug hunt that produces a pure bug report and deliberately changes no code.
Where it fits
gstack is an open-source "software factory" that turns a coding agent into a virtual engineering team of about two dozen specialized roles, run through a structured sprint loop: think, plan, build, review, test, ship, reflect. /qa-only is one station in that loop.
Use it
Install gstack from the repository and run /qa-only inside your project. Canonical source: https://github.com/garrytan/gstack/tree/main/qa-only