React Doctor runs deterministic checks on your code. It reports issues in state and effects, performance, architecture, security, accessibility, and maintainability.

Supports React projects built with Next.js, Vite, Astro, TanStack, React Native, and Expo.

Documentation →

Install

1. Run a scan

Run this command from your project root:

npx react-doctor@latest

https://github.com/user-attachments/assets/07cc88d9-9589-44c3-aa73-5d603cb1c570

2. Install for agents

Install the skill to help your coding agent find and fix React issues:

npx react-doctor@latest install

Supports coding agents including Claude Code, Cursor, Codex, and OpenCode.

3. Run in CI

Scan each pull request and report the issues it introduces:

npx react-doctor@latest ci install

CI docs →

4. Configure rules

Choose rules and scan settings in doctor.config.ts.

With customRulesOnly: true, explicit rules settings of "warn" or "error" enable selected ported rules. Legacy rule names also work. Other ported rules and the React Compiler plugin stay off.

Configuration docs →

Runtime performance traces

Record a Chrome DevTools performance trace while you interact with a running React app:

npx react-doctor@latest scan http://localhost:3000

Runtime trace docs →

Telemetry

The CLI collects crash reports and anonymous usage data. See Data use for details.

To opt out, run: npx react-doctor@latest --no-telemetry

Contributing

Report an issue

MIT-licensed