“react”

Provides comprehensive guidance for React Native development including components, navigation, native modules, platform-specific code, and mobile app…

Application-level React performance optimization covering React Compiler mastery, bundle optimization, rendering performance, data fetching, Core Web Vitals…

Guidance for building, redesigning, or reviewing React TSX pages/components, hooks, state management, styling, routing, accessibility, and Testing Library…

Create react hook creator operations.

Scaffolds React Native libraries with create-react-native-library for standalone libraries or local native modules and views.

Use when writing or reviewing React effects, derived state, memoization, key resets, or event handlers, following the official React docs.

Provides comprehensive guidance for React Hooks including useState, useEffect, useContext, useReducer, useMemo, useCallback, custom hooks, and hook patterns.

Background knowledge for running react-doctor as part of the quality-ship gate.

React 19 coding conventions and performance patterns.

Upgrades React Native apps to newer versions by applying rn-diff-purge template diffs, updating package.json dependencies, migrating native iOS and Android…

React 19 performance patterns and composition architecture for Vite + Cloudflare projects.

Configure react context setup operations.

Create beautiful, responsive HTML emails using React components with React Email.

Guide for setting up react-hook-form with Zod validation in React.

React Native and Expo patterns for building performant mobile apps.

React + Next.js App Router development.

Generate transition state structures for chemical reactions using React-OT.

Review React components for test coverage, including unit tests and Storybook stories with requirement traceability.

Converts Stitch designs into modular Vite and React components, or syncs/updates existing React components to align with the latest Stitch designs, using…

Build declarative 3D scenes with React Three Fiber (R3F) - a React renderer for Three.js.

Use when creating, modifying, refactoring, reviewing, or organizing a React web app that uses Tailwind or utility-first CSS.

Write or review React components against the patterns that actually cause bugs: unnecessary effects, derived state, stale closures, key misuse, re-render…

110+ free animated React components for text, backgrounds, UI.

Write tests using React Native Testing Library (RNTL) v13 and v14 (`@testing-library/react-native`).