This is a UI design specialist skill that handles interface work from initial mockups to full design systems. It covers the usual suspects: visual hierarchy, accessibility compliance, responsive layouts, and component library development. With 121 installs and passing security audits from three major providers, it's seen some real use. The skill documentation mentions WCAG standards and design system creation, which suggests it goes beyond just making things look pretty. If you're doing interface work in Claude Code and don't want to keep explaining design principles from scratch, this gives you a dedicated context for that. The relatively high install count compared to niche skills indicates people are actually finding it useful for UI tasks.
npx skills add https://github.com/404kidwiz/claude-supercode-skills --skill ui-designer