Microsoft 365 Copilot now supports MCP-based agents, allowing developers to build and admins to manage these agents via the Copilot Agent Store and admin center. Rollout starts mid-November 2025, is on by default, and requires no immediate action but recommends reviewing agent catalogs and updating documentation.
Applies to: Microsoft 365 Copilot Chat
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).