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279279### Subagent
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281A specialized AI assistant that runs in its own context window with a custom system prompt, specific tool access, and independent permissions. It works on a delegated task and returns a summary to the main conversation. Use subagents to keep large explorations out of your primary context or to run parallel research. Different from [agent teams](#agent-teams), where each agent is a full independent session you can talk to directly.
281A specialized AI assistant that runs in its own context window with a custom system prompt, specific tool access, and independent permissions. It works on a delegated task and returns a summary to the main conversation. Use subagents to keep large explorations out of your primary context or to run parallel research. A subagent stays inside the session that spawned it. To pass findings between separate sessions you run yourself, use [cross-session messaging](/docs/en/cross-session-messaging).
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283283Built-in subagents include Explore, Plan, and general-purpose.
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