Microsoft has introduced the Copilot harness in Foundry Agent Service as a public preview. This managed execution system allows developers to build agents that reason, use tools, and handle long-running tasks without assembling the underlying infrastructure. The update also brings general availability for long-running resilience in hosted agents, enabling workflows to recover from interruptions. Developers can define agents declaratively using reusable skills and connected tools, with billing for harness runtime usage starting December 1, 2026.
Read the full story at devblogs.microsoft.com.
Photo: Boskampi / Pixabay
