Configures mewt or muton campaigns, analyzes surviving mutants, and investigates bugs exposed by testing gaps. Use when setting up mutation testing, reviewing campaign results, identifying equivalent mutants, or finding bugs from surviving mutations.
Install
npx skills add trailofbits/skills --skill mutation-testingnpx skills add trailofbits/skills --skill mutation-testing -a claude-code -gnpx skills add trailofbits/skills --skill mutation-testing -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/mutation-testing/skills/mutation-testinggh skill install trailofbits/skills mutation-testinggit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/mutation-testing/skills/mutation-testing ~/.claude/skills/mutation-testing # Claude Code
cp -R /tmp/trailofbits__skills/plugins/mutation-testing/skills/mutation-testing ~/.agents/skills/mutation-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode