Microsoft 365

This Microsoft Graph MCP server by elyx provides AI assistants with comprehensive access to Microsoft 365 services including Outlook email management, calendar operations, contact management, and OneDrive file operations through the Microsoft Graph API. The implementation supports multi-account authentication using MSAL device flow, handles large file uploads with chunked transfer for both OneDrive and email attachments, and includes advanced search capabilities across emails, files, events, and contacts using Microsoft's modern search APIs. Built with FastMCP and featuring robust error handling with retry logic, rate limiting, and token caching, it's particularly valuable for users who need to integrate their Microsoft 365 workflows with AI assistants for tasks like email automation, calendar management, document processing, and cross-service data analysis.