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Found 1,644 Skills
Load PROACTIVELY when task involves optimizing speed, reducing bundle size, or improving responsiveness. Use when user says "make it faster", "reduce bundle size", "fix slow queries", "optimize rendering", or "check Core Web Vitals". Covers bundle analysis and tree-shaking, database query optimization (N+1, indexing), React rendering performance (re-renders, memoization), network waterfall optimization, memory leak detection, server-side performance, and Core Web Vitals (LCP, FID, CLS) improvement.
Build modern documentation websites with Docusaurus. Covers docs, blog, pages, versioning, i18n, search integration, and deployment patterns. React-based with MDX support for interactive documentation.
Implements internationalization (i18n) in React applications. Covers user-facing strings, date/time handling, locale-aware formatting, ICU MessageFormat, and RTL support. Use when building multilingual UIs or formatting dates/currency.
Help users add icons to their projects using the Unicon icon library. Unicon provides 19,000+ icons from Lucide, Phosphor, Hugeicons, Heroicons, Tabler, Feather, Remix, Simple Icons (brand logos), and Iconoir. Use when adding icons to React, Vue, Svelte, or web projects; using the unicon CLI to search, get, or bundle icons; setting up .uniconrc.json config; generating tree-shakeable icon components; using the Unicon API; or converting between icon formats.
TanStack Query (React Query) v5 best practices for data fetching, caching, mutations, and server state management. Use when building data-driven React applications, setting up query configurations, implementing mutations/optimistic updates, configuring caching strategies, integrating with SSR, or fixing v4→v5 migration errors.
Provides naming conventions and Props type definition patterns for React components. Defines naming rules for file names and component names, Props type definitions using the ComponentNameProps pattern, and best practices for React 19. Use this when referencing component creation, naming convention checks, Props type definition, refactoring, and ESLint/TypeScript error resolution.
Import directly from source files instead of barrel files. Apply when using libraries like lucide-react, @mui/material, or @radix-ui/react-* to reduce bundle size and improve dev boot time.
Use when building Angular 16+ applications requiring fine-grained reactive state management and zone-less change detection.
Patches native modules (expo-image, react-native, etc.) to fix native crashes or bugs.
TypeScript/JavaScript Test-Driven Development with Vitest, strict red-green-refactor methodology, React component testing, and comprehensive coverage patterns. Use when implementing TypeScript features with TDD, writing Vitest tests, testing React components, developing with test-first approach, or when user mentions 'TypeScript TDD', 'Vitest', 'React testing', 'JavaScript TDD', 'red-green-refactor', 'TypeScript unit tests', or 'test-driven TypeScript'.
Velt Comments implementation patterns and best practices for React, Next.js, and web applications. Use when adding collaborative commenting features, comment modes (Freestyle, Popover, Stream, Text, Page), rich text editor comments (TipTap, SlateJS, Lexical), media player comments, or chart comments.
Pre-build validation for Expo and React Native apps. Use before running 'eas build --profile production' to ensure compliance with 2026 store rules (Android 15, iOS Privacy Manifests, 16KB Page Size), validate auto-increment, check environment variables, and verify Firebase/Sentry configs.