Microsoft introduces a Copilot harness in Foundry Agent Service in public preview
AIMicrosoft introduces the Copilot harness in Foundry Agent Service in public preview, a managed system that runs the agent loop and sandbox for agents defined declaratively. Developers supply skills, tools, and instructions, and the preview includes skills, connected Foundry and MCP tools, file and code execution, subagents, and source-controlled definitions.
AIWhy it matters.
The post shows how a managed harness, reusable skills, and hosted-agent checkpointing divide work between Microsoft and the developer, useful for deciding how much agent infrastructure to build.
Source details
Microsoft Foundry Blog · Jeff, Viswa Balaji, Anthony Chu · devblogs.microsoft.comPublished · added here
Original title: Introducing the Microsoft Copilot harness in Foundry Agent Service