Manage AGENTS.md gives coding agents scoped, current, repo-specific instructions. It is not a README, runbook, architecture doc, changelog, tutorial, or evidence log. Good guidance is evidence-backed, concise, scoped to the file's directory tree, and behavioral: it tells agents what to do differently in this repository. When to Use - Create, update, review, split, move, or repair a repository . - Capture verified local commands, repo contracts, path ownership, or recurring agent mistakes. - Convert repo evidence into rules that future agents can follow. When NOT to Use - Standalone skills, pr…