AgentCore Harness runs your agent. ShapeV2 controls what it's allowed to do

AWS just shipped AgentCore Harness in public preview. It solves the infrastructure problem every team building AI agents has been re-solving from scratch (compute, memory, tool connectivity, observability), and it solves it well. You declare a config; you get a running agent. It does not solve governance. That's a separate layer, and it's the layer where most agent failures actually happen. What AgentCore Harness is Every AI agent runs an orchestration loop: call the model, pick a tool, pass res