Fragmented - AI Developer Podcast · Kaushik Gopal, Iury Souza

305 - Subagents explained - What they are, when (not) to spawn them

February 17, 2026·27 min·2 clips
Kaushik reveals that switching agent modes isn't just a UI tweak—it swaps out the underlying system instructions.
This episode of Fragmented dives into sub-agents, explaining them as isolated execution units with fresh context windows, specific system prompts, and scoped tool access. The hosts use analogies like Age of Empires scouts and discuss practical implementation in tools like Cloud Code, along with tips on when to use or avoid sub-agents for efficient AI-assisted development.

As heard by us

A clear, grounded case for sub-agents that keeps the hype under control.

The piece treats sub-agents as a working pattern, not a slogan. Kaushik and Yuri make the distinction cleanly: the main agent keeps the reasoning thread, while smaller agents spread out to gather context and return useful findings.

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Why you'd press play

Use this when your agent workflow is getting crowded.

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