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.
End-to-end UI/UX design and implementation. Use when the user asks to build new UI from a spec, audit or redesign existing UI, make UI less generic or "AI-looking", improve accessibility (WCAG AA) or