Step-by-step SKILL.md packages an AI follows for a single kind of task.
A skill is a focused playbook - instructions, examples and constraints - that makes any model reliable at one job, from SQL reporting to changelog writing. The router fills a plan's skill slot with the best match for the request.
Review a GitHub pull request. Delegates to the pr-reviewer agent which enforces read-only tool access. Only invoke when the user explicitly calls /review-pr.
