Use when the user wants to run the optimization loop, improve agent performance, evolve the agent, or iterate on quality. Requires .evolver.json to exist (run harness:setup first).
Install
npx skills add raphaelchristi/harness-evolver --skill harness:evolvenpx skills add raphaelchristi/harness-evolver --skill harness:evolve -a claude-code -gnpx skills add raphaelchristi/harness-evolver --skill harness:evolve -a codex -ggemini skills install https://github.com/raphaelchristi/harness-evolver.git --path skills/evolvegh skill install raphaelchristi/harness-evolver harness:evolvegit clone --depth 1 https://github.com/raphaelchristi/harness-evolver /tmp/raphaelchristi__harness-evolver
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/raphaelchristi__harness-evolver/skills/evolve ~/.claude/skills/harness:evolve # Claude Code
cp -R /tmp/raphaelchristi__harness-evolver/skills/evolve ~/.agents/skills/harness:evolve # Codex, Cursor, Gemini CLI, Copilot, OpenCode