Claude Managed Agents dynamic workflows is a feature in Anthropic's Claude Managed Agents (released in public beta on October 9, 2026) that allows a lead AI agent to write and execute a program to orchestrate multiple subagents in phases. [1, 2, 3]
Instead of an orchestrator making turn-by-turn decisions and stuffing every intermediate result into a single conversation context window, the lead agent generates a structured script (such as JavaScript) that handles loops, branching, and parallel execution in the background. [4, 5]
Key Characteristics & Mechanics
- Programmatic Orchestration: A lead agent writes an automated execution plan that launches, coordinates, and combines outputs from numerous agents without direct human or manual script-writing. [2, 3]
- Scale & Limits: Each workflow run can support up to 1,000 agents over its lifetime, with up to 64 concurrent working threads at a time. [3]
- Background Execution: The server runs the workflow program asynchronously in the background while your main session thread stays free. Progress and events stream back via an event stream (
workflow_run.events). [1, 3, 4] - Adversarial & Multi-Phase Loops: Workflows can implement multi-step quality controls, such as having separate agents independently implement a task, run adversarial verification, and use an independent fixer agent to reconcile errors. [4, 6]
- Common Use Cases: Ideal for massive, complex workloads that exceed a single conversation's capacity, such as codebase-wide bug sweeps, large-scale migrations (e.g., 500+ files), and cross-checked multi-source research. [4]
Pricing & Setup
- Cost Structure: There is no separate flat fee to start a workflow run; the underlying tokens are billed at standard model rates, plus a Managed Agents session runtime fee of $0.08 per session-hour. Budgets and limits can be set to cap total spend. [1, 3]
- How to Enable: You can activate multiagent handling in your agent configuration (
multiagent: multiagent_20261001) or toggle dynamic workflows via/configor/effortsettings in Claude Code. [2, 4]
Would you like to know how to configure a dynamic workflow script or see an example of setting up multiagent orchestration for a specific project?
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