Build accessible React UIs with function components, hooks, derived state, and effect discipline; fix Strict Mode double-invoke, list keys, and concurrent rendering pitfalls. Use for components, forms, and client islands in Next.js or SPA apps.
Install
npx skills add alivirgo/Major-AI-Skills --skill reactnpx skills add alivirgo/Major-AI-Skills --skill react -a claude-code -gnpx skills add alivirgo/Major-AI-Skills --skill react -a codex -ggemini skills install https://github.com/alivirgo/Major-AI-Skills.git --path skills/reactgh skill install alivirgo/Major-AI-Skills reactgit clone --depth 1 https://github.com/alivirgo/Major-AI-Skills /tmp/alivirgo__Major-AI-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/alivirgo__Major-AI-Skills/skills/react ~/.claude/skills/react # Claude Code
cp -R /tmp/alivirgo__Major-AI-Skills/skills/react ~/.agents/skills/react # Codex, Cursor, Gemini CLI, Copilot, OpenCode