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.
UI/UX design intelligence for web and mobile: style selection, color systems, typography, layout, accessibility, interaction states, responsive behavior, forms, charts, design systems, and code review