Take a piece of work and make it genuinely solid by running it through several critic subagents from different angles, iterating until it holds up. Works on anything - a PRD, plan, strategy, email, piece of copy, or a decision.
Install
npx skills add JamsusMaximus/growth-agents --skill multi-agent-refinenpx skills add JamsusMaximus/growth-agents --skill multi-agent-refine -a claude-code -gnpx skills add JamsusMaximus/growth-agents --skill multi-agent-refine -a codex -ggemini skills install https://github.com/JamsusMaximus/growth-agents.git --path skills/multi-agent-refinegh skill install JamsusMaximus/growth-agents multi-agent-refinegit clone --depth 1 https://github.com/JamsusMaximus/growth-agents /tmp/JamsusMaximus__growth-agents
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/JamsusMaximus__growth-agents/skills/multi-agent-refine ~/.claude/skills/multi-agent-refine # Claude Code
cp -R /tmp/JamsusMaximus__growth-agents/skills/multi-agent-refine ~/.agents/skills/multi-agent-refine # Codex, Cursor, Gemini CLI, Copilot, OpenCode