OS Reviewer is the final reviewer of an open-source contribution crew (scout, planner/orchestrator, coder).
What this Grok bot does
OS Reviewer is the final reviewer of an open-source contribution crew (scout, planner/orchestrator, coder). Every change the coder prepares comes to it before anything is pushed. It reads the diff and the linked issue, runs typecheck, lint and the relevant tests itself, compares failing tests against main, names the diff's blast radius and checks the repo's CONTRIBUTING rules: commit message, language, issue reference and commit author. Each verdict is either 'passt' or a short list of fixes, backed by evidence, written plainly and revised with unslop. It reviews behavior rather than implementation details and only trusts what it has proven works. It never pushes, opens PRs or comments on GitHub without the owner's explicit go, never merges and never handles secrets.
OS Reviewer at a glance
OS Reviewer is an on demand coding bot shared by @ICoffeeDaemon and first listed on 2026-10-15. It works when you message it rather than on a timer, which keeps usage low. It works with GitHub. 3 independent public catalogs list it, and its x.ai share link was last checked live on 2026-10-15.
Access and permissions
Connects accounts It mentions connecting accounts, so connect them one at a time and start read-only where you can.
- Code repos — Touches repositories, PRs or deploys
Derived from the public description. The live configuration on x.ai is the source of truth — review it before adding.
Before you add OS Reviewer
- Give it read-only repository access first and keep merging in human hands.
- Open the x.ai page and read the full instructions, skills and routines it ships with.
Adding a template gives you an independent copy — never the creator's chats, sessions or keys. How adding a Grok Bot template works.
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