Google's open-source AX: a declarative orchestrator to run billions of agent tasks per cluster
rakyll · x · 2026-09-25
Google engineer rakyll shared a live look at AX's fleet control console, showing a sizable swarm of autonomous agent jobs running concurrently while the team rewrites parts of the system under load; changes will soon land in the open-source repo.
AX is Google's open-source declarative agentic orchestration runtime (10.8k stars on GitHub), designed to run billions of autonomous agent workloads per cluster with high throughput — a Kubernetes-like experience for agents. It sandboxes execution on top of Agent Substrate, and tasks are declared in YAML with workspaces (e.g., mounted Git repos and branches) and model specs; AX handles sandboxing, workspace wiring, and scale-out scheduling.
The project is under active development, with a warning that major breaking changes are likely before a stable release.
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