React Doctor

React Doctor is a React linter that identifies code smells, performance bottlenecks, and accessibility errors using deterministic static analysis.

React Doctor is a static analysis tool designed to identify maintainability issues and anti-patterns within React codebases. It scans projects for common problems like unnecessary useEffect hooks, accessibility errors, and excessive prop drilling that can be resolved with Context. The tool functions as a linter with autofix capabilities, allowing developers to improve code quality and performance. It integrates into development workflows by providing a health score for projects and reviewing pull requests for regressions against the main branch. This tool is intended for React developers and AI coding agents to ensure adherence to best practices in agentic-heavy codebases.

React Doctor at a glance

Best for: Software engineer
Runs on: CLI
Pricing: Free
Released: February 2026
Category: AI coding tool
Website: react.doctor

Key features

Deterministic static analysis of React code
Detection of unnecessary useEffect hooks
Identification of accessibility errors
Detection of prop drilling issues
Automatic code fixing capabilities
Health scoring for React projects
PR review support for regression detection

Use it for

Improving codebase maintainability
Auditing code for production performance issues
Automating code quality checks in pull requests
Guiding AI coding agents with guardrails

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