Foundry Control Plane and Agent 365: Two Control Planes Walk Into an Enterprise

May 15, 2026 | 8 min read If you’ve been paying attention to Microsoft over the past six months, you’ve noticed a recurring theme: agents are everywhere. They’re reasoning over your SharePoint folders, reconciling your accounts, and if you squint at the Ignite 2025 keynote, they’re about three sprints away from filing your taxes. Developers need to debug, evaluate, monitor, and improve agents before and after deployment. IT and security teams need to know which agents exist, who owns them, what they can access, and whether they comply with organizational policy. That's why Microsoft has 2 comp