Create comprehensive, phased implementation plans with sprints and atomic tasks. Use when user says: "make a plan", "create a plan", "plan this out", "plan the implementation", "help me plan", "design a plan", "draft a plan", "write a plan", "outline the steps", "break this down into tasks", "what's the plan for", or any similar planning request.
Install
npx skills add am-will/codex-skills --skill plannernpx skills add am-will/codex-skills --skill planner -a claude-code -gnpx skills add am-will/codex-skills --skill planner -a codex -ggemini skills install https://github.com/am-will/codex-skills.git --path skills/plannergh skill install am-will/codex-skills plannergit clone --depth 1 https://github.com/am-will/codex-skills /tmp/am-will__codex-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/am-will__codex-skills/skills/planner ~/.claude/skills/planner # Claude Code
cp -R /tmp/am-will__codex-skills/skills/planner ~/.agents/skills/planner # Codex, Cursor, Gemini CLI, Copilot, OpenCode