Use when finishing a feature, fixing a bug, before committing React code, or when the user wants to improve code quality or clean up a codebase. Checks for score regression. Covers lint, dead code, accessibility, bundle size, architecture diagnostics.
76
95%
Does it follow best practices?
Run evals on this skill
Adds up to 20 points to the overall score
View guide
Low
Low-risk findings worth noting
The canonical home for this skill is react-doctor in millionco/react-doctor
Scans React codebases for security, performance, correctness, and architecture issues. Outputs a 0–100 health score.
Run npx -y react-doctor@latest . --verbose --diff and check the score did not regress.
If the score dropped, fix the regressions before committing.
Run npx -y react-doctor@latest . --verbose (without --diff) to scan the full codebase. Fix issues by severity — errors first, then warnings.
npx -y react-doctor@latest . --verbose --diff| Flag | Purpose |
|---|---|
. | Scan current directory |
--verbose | Show affected files and line numbers per rule |
--diff | Only scan changed files vs base branch |
--score | Output only the numeric score |
8d347f8
Canonical home
since Feb 18, 2026
Also appears in
last in sync May 30, 2026
last in sync Feb 18, 2026
last in sync Mar 6, 2026
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.