Task decomposition before work starts - determine the Tier, split into subtasks, assign roles, set done criteria. Use when a task is larger than a single edit, when it is unclear where to begin, and always before delegating work to other agents.
Install
npx skills add sergvss/agents-best-teams --skill planning-checklistnpx skills add sergvss/agents-best-teams --skill planning-checklist -a claude-code -gnpx skills add sergvss/agents-best-teams --skill planning-checklist -a codex -ggemini skills install https://github.com/sergvss/agents-best-teams.git --path skills/planning-checklistgh skill install sergvss/agents-best-teams planning-checklistgit clone --depth 1 https://github.com/sergvss/agents-best-teams /tmp/sergvss__agents-best-teams
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/sergvss__agents-best-teams/skills/planning-checklist ~/.claude/skills/planning-checklist # Claude Code
cp -R /tmp/sergvss__agents-best-teams/skills/planning-checklist ~/.agents/skills/planning-checklist # Codex, Cursor, Gemini CLI, Copilot, OpenCode