Microsoft Agent Framework Harness and Hosted Agents Reach General Availability
Microsoft's Agent Framework hits GA with a supported runtime—the shift from building agents to running them at scale just got real.

Why it matters
Microsoft moves agents from experimental SDK to production-grade platform with orchestration and governance. Practitioners can now deploy agents on a supported, auditable runtime—a key inflection point for enterprise agent adoption.
The key facts
6 to knowAgent Harness reached general availability (GA)
Foundry Hosted Agents reached GA
GitHub Copilot and Claude Agent SDK connectors now stable
Orchestration patterns included in stable release
Framework shifted from SDK-only to governed platform model
Announced at Build 2026
Go to the source
InfoQ AI/MLinfoq.com
Publisher excerpt: Microsoft's Agent Framework now ships a supported runtime. Build 2026 brought the Agent Harness, the GitHub Copilot and Claude Agent SDK connectors, and the orchestration patterns to stable release; the harness and Foundry Hosted Agents have since reached GA. The shift is from an SDK for building…