Discover Documentation skills, compare source repositories and read the instructions for each workflow.
Teaches when type assertions are safe versus dangerous in TypeScript. Use when considering using 'as' keyword, type casting, or when working with external data that might use assertions instead of proper valida...
Configure Vitest 4.x with correct pool architecture, coverage settings, and multi-project setup. Use when creating or modifying vitest.config files or setting up test infrastructure.
Teach Cache Components model with 'use cache' directive in Next.js 16. Use when implementing caching, optimizing performance, working with dynamic data, or migrating from Next.js 15 caching patterns.
[REPLACE] Generate structured content from templates. Use when [REPLACE with specific triggers].
Prevent leaking database errors and P-codes to clients. Use when implementing API error handling or user-facing error messages.
Migrate from Prisma 5 to Prisma 6 handling breaking changes including Buffer to Uint8Array, implicit m-n PK changes, NotFoundError to P2025, and reserved keywords. Use when upgrading Prisma, encountering Prisma...
Use interactive transactions with $transaction callback for atomic operations and automatic rollback. Use when operations must succeed or fail together.
Review Tailwind CSS v4 patterns for configuration, theming, and utility usage. Use when reviewing CSS files, Vite configs, or components using Tailwind.
[REPLACE] Apply domain-specific logic based on detected context. Use when [REPLACE with specific triggers].
Validate all external input with Zod before Prisma operations. Use when accepting user input, API requests, or form data.
Teach cache lifecycle APIs in Next.js 16 - cacheLife(), cacheTag(), updateTag(), refresh(), revalidateTag(). Use when managing cache invalidation, setting cache policies, or implementing cache tags.
Avoid non-null assertion operator (!) and use type-safe alternatives instead
Configure PrismaClient for serverless (Next.js, Lambda, Vercel) with connection_limit=1 and global singleton pattern.
Teaches component composition patterns in React 19 including children prop, compound components, and render props. Use when designing component APIs, creating reusable components, or avoiding prop drilling.
Integrate Zod v4 with React Hook Form, Next.js, Express, tRPC, and other frameworks for type-safe validation
Manage PrismaClient lifecycle with graceful shutdown, proper disconnect timing, and logging configuration. Use when setting up application shutdown handlers, configuring logging for development or production, o...
Teaches React Testing Library patterns for React 19 components. Use when writing component tests, testing interactions, or testing with Server Actions.
Deploy migrations to production safely using migrate deploy in CI/CD. Use when setting up production deployment pipelines.
Teaches what React Compiler handles automatically in React 19, reducing need for manual memoization. Use when optimizing performance or deciding when to use useMemo/useCallback.
Review Server Actions for security, validation, and best practices in React 19. Use when reviewing forms, mutations, or server-side logic.
Use migrate dev for versioned migrations; db push for rapid prototyping. Use when developing schema changes locally.
Teaches code splitting with lazy() and Suspense in React 19 for reducing initial bundle size. Use when implementing lazy loading, route-based splitting, or optimizing performance.
Teach async request APIs in Next.js 16 - params, searchParams, cookies(), headers(), draftMode() are now async. Use when migrating from Next.js 15, fixing type errors, or working with request data.
Teaches resource preloading APIs in React 19 including prefetchDNS, preconnect, preload, and preinit. Use when optimizing initial load or navigation performance.
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