Google Open-Sources Scion: Experimental Multi-Agent Orchestration Testbed for Concurrent Isolated Agents
When multiple AI coding agents work on the same codebase at the same time, things break. They step on each other’s file changes, share credentials they shouldn’t, and create the kind of merge conflict hell that makes engineers question their life choices. Google’s answer to this is Scion, an experimental multi-agent orchestration testbed that the company open-sourced on April 8, 2026. The core philosophy is elegant: instead of constraining what agents can do, isolate them so they can do whatever they need without interfering with each other. ...