SubAgent Explained: From “One-Person Army” to “Team Collaboration” in AI Workflows Core question: When AI tasks grow increasingly complex, why is simply adding more Skills to an Agent no longer sufficient? What specific problem does SubAgent solve that Skill cannot? If you’ve used OpenClaw, Claude Code, or Codex, you may have noticed they all reference a common concept: SubAgent. This isn’t coincidence—it’s the inevitable evolution of complex AI workflows. This guide uses plain language and a real-world restaurant scenario to help you thoroughly understand SubAgent’s essence, applicable scenarios, advantages and limitations, and its fundamental differences from Skill. A Story About …