Google has released AX, an open-source agentic orchestrator that allows users to declare and run tasks at scale. AX provides a declarative control plane for agent execution, abstracting tasks, workspaces, network policies, and models into core primitives. The project is built on top of Agent Substrate, a compute runtime designed for massive density and fast stateful actor lifecycles. AX is designed to be lightweight and ergonomic, with a focus on rapid iteration and joyful workflows for developers and researchers.