Claude Managed Agents: You Already Built the Agent Harness. Anthropic Just Shipped One - I

Part 1: You did not set out to build agent infrastructure, but the Messages API made you do it anyway. Claude Managed Agents takes the loop, the sandbox, and the state off your plate so you ship ...

A first look at Claude Managed Agents: the configurable, server-side harness that runs the agent loop, the sandbox, and the state for you, so you stop maintaining the parts that were never your product.