Anthropic decouples agent brain, hands, and session in Managed Agents
Original titleScaling Managed Agents: Decoupling the brain from the hands
AISummary
Anthropic's Managed Agents separates the harness, sandbox, and session into independently replaceable interfaces. The source says this design let failed containers be replaced, kept tokens out of the sandbox, and reduced p50 time-to-first-token by roughly 60% and p95 by over 90%.
AIWhy it matters
The post explains how decoupling the harness, sandbox, and session changed failure recovery, credential security, and latency, offering a reusable architecture pattern for long-running agents.
Source: Anthropic Engineering · anthropic.com