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Found 1,496 Skills
Mobile app development guide for cross-platform apps. Covers React Native, Flutter, and Expo frameworks. Use proactively when user wants to build mobile apps or convert web apps to mobile. Triggers: mobile app, React Native, Flutter, Expo, iOS, Android, 모바일 앱, モバイルアプリ, 移动应用, aplicación móvil, app móvil, desarrollo móvil, application mobile, développement mobile, mobile Anwendung, mobile App, mobile Entwicklung, applicazione mobile, app mobile, sviluppo mobile Do NOT use for: web-only projects, backend-only development, or desktop apps.
Use when adding interactive 3D scenes from Spline.design to web projects, including React embedding and runtime control API.
Use when working with sunpeak, or when the user asks to "build an MCP App", "build a ChatGPT App", "add a UI to an MCP tool", "create an interactive resource for Claude Connector or ChatGPT", "build a React UI for an MCP server", or needs guidance on MCP App resources, tool-to-UI data flow, simulation files, host context, platform-specific ChatGPT/Claude features, or end-to-end testing of MCP App UIs.
Expert in Zod — TypeScript-first schema validation. Covers parsing, custom errors, refinements, type inference, and integration with React Hook Form, Next.js, and tRPC.
Use this skill when users want to add, customize, or troubleshoot Magic UI components in React/Next.js projects. It covers component selection, shadcn registry installation (`@magicui/*`), integration patterns, and practical quality checks for accessibility and maintainability.
This skill should be used when the user asks to "write a Next.js app", "follow React best practices", "optimize a Next.js application", "build with the App Router", or needs guidance on modern React and Next.js patterns for 2025.
Radix UI unstyled accessible React components. Headless primitives. USE WHEN: user mentions "Radix", "Radix UI", "headless components", "unstyled primitives", asks about "accessible components", "Radix primitives" DO NOT USE FOR: shadcn/ui (use shadcn-ui skill), styled component libraries (Material-UI, Chakra), Vue/Svelte (use Headless UI)
Sets up the full Neon SDK with authentication AND database queries in React apps (Vite, CRA). Creates typed client, generates database types, and configures auth UI. Use for auth + database integration.
Sets up Neon Auth in React applications (Vite, CRA). Configures authentication adapters, creates auth client, and sets up UI components. Use when adding auth-only to React apps (no database needed).
This skill should be used when the user asks to "create a state machine", "add xState", "use xState with React", "implement actor-based state", "manage complex state with state machines", "use xState with Effect", "integrate Effect-ts with xState", mentions xState hooks (useMachine, useActor, useSelector), or discusses finite state machines in React applications.
React 19 new features and APIs. Covers Actions, useActionState, useFormStatus, useOptimistic, use() hook, Server Components, Server Actions, improved ref handling, document metadata, and new compiler. USE WHEN: user mentions "React 19", "useActionState", "useFormStatus", "useOptimistic", "use() hook", "Server Components", "Server Actions", "React Compiler", asks about "React 19 features", "Actions in React", "ref as prop" DO NOT USE FOR: React 18 and earlier - use `react` skill instead, forms in general - use `react-forms` or `react-hook-form` skills instead
Custom React hook best practices — dependency arrays, cleanup, stale closures, TypeScript generics, composition, and extraction heuristics