Gives Claude direct access to Microsoft 365 admin operations through the Microsoft Admin Center APIs. You'd use this when you need to automate tenant management tasks like user provisioning, license assignments, or security policy updates without leaving your AI workflow. Requires authentication through Microsoft's enterprise SSO, so you'll need tenant admin credentials to connect. The streamable HTTP transport means it's designed for real-time interactions rather than batch operations. Best suited for orgs already deep in the Microsoft 365 ecosystem who want to handle admin center tasks conversationally instead of clicking through the web portal.