Read-only check that a codemod or bulk transform preserved behavior — compiling is not proof. Use when "did this codemod break anything", "audit this bulk refactor", or before merging a mass find-replace. SQL → plan-data-integrity.
Install
npx skills add kensaurus/skills --skill audit-codemod-safetynpx skills add kensaurus/skills --skill audit-codemod-safety -a claude-code -gnpx skills add kensaurus/skills --skill audit-codemod-safety -a codex -ggemini skills install https://github.com/kensaurus/skills.git --path skills/audit-codemod-safetygh skill install kensaurus/skills audit-codemod-safetygit clone --depth 1 https://github.com/kensaurus/skills /tmp/kensaurus__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/kensaurus__skills/skills/audit-codemod-safety ~/.claude/skills/audit-codemod-safety # Claude Code
cp -R /tmp/kensaurus__skills/skills/audit-codemod-safety ~/.agents/skills/audit-codemod-safety # Codex, Cursor, Gemini CLI, Copilot, OpenCode