UI design skills: color palettes, typography systems, layout grids, responsive breakpoints, dark mode specs, visual hierarchy, and brand alignment.
Add the marketplace (inside Claude Code):
/plugin marketplace add Owl-Listener/designer-skillsInstall the plugin:
/plugin install ui-designDesign fluency for frontend development. 1 skill with 23 commands (/impeccable polish, /impeccable audit, /impeccable critique, etc.) and curated anti-pattern detection.
Curated upstream: Vercel-Labs React/Next.js skills — performance best practices, composition patterns (compound components, render props), and React Native / Expo conventions for mobile.
Build agents that speak your UI