“react”

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…

Configure react context setup operations.

React 18 patterns for Next.js 14 App Router.

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

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.

Builds, integrates, migrates, audits Stream Chat, Video, and Feeds in React Native CLI and Expo apps.

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`).

React Native and Expo development guide covering components, styling, animations, navigation, state management, forms, networking, performance optimization…

React Native and Expo best practices for building performant mobile apps.

Use when the user asks to run React Doctor, inspect or triage its diagnostics, compare React health, or understand and configure its rules.

Build applications with React Router in Framework, Data, Declarative, and unstable RSC modes.

Use when the user wants a hands-free loop where grabbing UI elements in the browser with React Grab feeds tasks to the agent automatically, with no copy-paste…

Reviews React Native TV apps for focus/D-pad navigation, 10-foot UI layout, TV playback/DRM integration, low-memory TV performance, and TV accessibility.