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.
No direct production edits in Vercel or the browser. Product changes must be made in git, reviewed in a PR, and deployed from the reviewed branch or merge commit.