Exposes Microsoft Outlook and Microsoft 365 mailbox data to Model Context Protocol clients as a read-only server.
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This tool is a production-ready, read-only Model Context Protocol (MCP) server designed to integrate Microsoft Outlook and Microsoft 365 mailbox data with MCP clients such as AI assistants and automation tools. Built with .NET 10 and ASP.NET Core, it securely authenticates callers using Microsoft Entra ID bearer tokens and leverages the On-Behalf-Of (OBO) flow to interact with Microsoft Graph, ensuring all data access is strictly read-only. It provides a single `/mcp` endpoint to access various Outlook data points including user profiles, mail folders, messages, calendar events, contacts, and mailbox settings, making Outlook data easily consumable by modern intelligent applications.
主な機能
01Support for paginated results on large datasets
020 GitHub stars
03Read-only access to Outlook mailbox data (mail, calendar, contacts, profile, settings)
04Integration with Microsoft Graph API for data retrieval
05Authentication via Microsoft Entra ID bearer tokens and On-Behalf-Of (OBO) flow
06.NET 10 and ASP.NET Core foundation with robust security measures
ユースケース
01Building AI assistants that interact with Outlook data
02Developing automation tools for Microsoft 365 users
03Creating custom applications that require read-only access to user mailbox information
