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React Rules for Claude Code

1 rule for React

React Claude Code Rules: Components, State and Effects

Claude Code rules for React: Components, State and Effects. Structure, data, errors, security, performance, and tests. React 19.3.1, Nov 2026.

# React Claude Code Rules: Components, State and Effects ## Install Install the native export at `.claude/rules/react-rules.md`. Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev. Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides. <!-- native:start --> # React Claude Code Rules: Components, State and Effects Path-scoped Claude Code rule for React. It loads when a matching file is read. It does not replace `CLAUDE.md`. ## Updated for React 19.3.1, Nov 2026 Do not upgrade dependencies or the framework version unless the task asks. ## Project shape Build the tree from function components. One component owns one job....