This codifies the composition patterns that prevent your component APIs from turning into boolean prop soup. It guides you toward compound components, context providers, and explicit variants instead of cramming everything into a single component with fifteen true/false flags. The rules are prioritized by impact and organized around architecture, state management, and implementation patterns. Most valuable when you're building a component library or refactoring something that's already accumulated too many conditional branches. From Vercel, which makes sense given they deal with this at scale in their UI libraries.
npx skills add https://github.com/secondsky/claude-skills --skill react-composition-patterns