Review code changes for security, performance, and correctness. Trigger with a PR URL or diff, "review this before I merge", "is this code safe?", or when checking a change for N+1 queries, injection risks, missing edge cases, or error handling gaps.
Install
npx skills add anthropics/knowledge-work-plugins --skill code-reviewnpx skills add anthropics/knowledge-work-plugins --skill code-review -a claude-code -gnpx skills add anthropics/knowledge-work-plugins --skill code-review -a codex -ggemini skills install https://github.com/anthropics/knowledge-work-plugins.git --path engineering/skills/code-reviewgh skill install anthropics/knowledge-work-plugins code-reviewgit clone --depth 1 https://github.com/anthropics/knowledge-work-plugins /tmp/anthropics__knowledge-work-plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__knowledge-work-plugins/engineering/skills/code-review ~/.claude/skills/code-review # Claude Code
cp -R /tmp/anthropics__knowledge-work-plugins/engineering/skills/code-review ~/.agents/skills/code-review # Codex, Cursor, Gemini CLI, Copilot, OpenCode