Jul 5, 2026 · Artificial Intelligence

How Subagents and Task Tools Enable Isolated Workflows in Harness

This lesson explains how Harness uses Subagents—isolated execution units created via the Task tool—to offload heavy, multi‑step operations into separate context windows, custom prompts, and limited toolsets, and how to configure built‑in and custom Subagents with the Claude Code SDK.

Agentic LoopClaude CodePython SDK

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How Subagents and Task Tools Enable Isolated Workflows in Harness

Tech Ocean

May 5, 2026 · Artificial Intelligence

How the Deep Agents ‘task’ Tool Delegates Complex Work to Sub‑Agents

The article explains how Deep Agents’ task tool splits complex responsibilities into a main agent that schedules and sub‑agents that execute specialized roles, detailing the tool’s placement, SubAgent definition, predefined versus dynamic agents, context isolation, AsyncSubAgent use cases, and practical criteria for when to decompose tasks.

AsyncSubAgentDeepAgentsSubagent

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How the Deep Agents ‘task’ Tool Delegates Complex Work to Sub‑Agents