Microsoft launches Copilot harness in Foundry Agent Service public preview
adnan_hashmi · x · 2026-10-30
Microsoft introduced the Microsoft Copilot harness in Foundry Agent Service in public preview, alongside general availability of long-running resilience for hosted agents.
- The unified harness strategy provides a shared execution foundation across Microsoft's agent experiences while preserving customer choice: developers pick a supported model and decide how much of the agent stack to build themselves.
- The Copilot harness offers a fully managed way to build agents that reason, use tools, and complete complex, long-running tasks — Microsoft's opinionated approach to reliable agent workflows.
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