Swarm Skill

Spawn isolated agents to execute tasks in parallel. Fresh context per agent (Ralph Wiggum pattern).

Before you swarm — pick the lightest path that fits

Confirm a swarm is even warranted. A swarm pays off only with ≥2 genuinely independent units of working-tree work that benefit from isolation. If it's one deliverable, pure analysis/investigation, or no working-tree edits, do NOT swarm — use the lighter path below. Reaching for the machinery on a small task costs more than the task (real failure 2026-06-15: an ATM-codex swarm pointed at a ~9-idea content task wedged on codex boot; in-session Agent fan-out did it in one pass).

Three paths, lightest first — reach for the lightest that fits: