Rigorously review code or pull requests for correctness, security, accessibility, maintainability, tests, and edge cases. Use when users request a critical code review, want a guided walkthrough of findings, need implementer-facing feedback, or want to prepare, create, or submit a GitHub pull request review.
Install
npx skills add posit-dev/skills --skill critical-code-reviewernpx skills add posit-dev/skills --skill critical-code-reviewer -a claude-code -gnpx skills add posit-dev/skills --skill critical-code-reviewer -a codex -ggemini skills install https://github.com/posit-dev/skills.git --path posit-dev/critical-code-reviewergh skill install posit-dev/skills critical-code-reviewergit clone --depth 1 https://github.com/posit-dev/skills /tmp/posit-dev__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/posit-dev__skills/posit-dev/critical-code-reviewer ~/.claude/skills/critical-code-reviewer # Claude Code
cp -R /tmp/posit-dev__skills/posit-dev/critical-code-reviewer ~/.agents/skills/critical-code-reviewer # Codex, Cursor, Gemini CLI, Copilot, OpenCode