Claude Managed Agents separates the agent's durable server-side harness from its sandboxed or containerized execution environment.

“We put out this blog post at the time of launching where we talked about we have the brain separate from the hands, and what that means is, like, the harness runs on a durable server, really ours, right?”

“And then- Oh, wow, neat. Nice, nice pull. Nice pull. Yeah. No, yeah. That's great. Um, and the hands are, it's like a- Perfect... execution environment, like a sandbox or some sort of container, right?”