ms-365-mcp-server
Microsoft 365 MCP Server
A Model Context Protocol (MCP) server for interacting with Microsoft 365 services through the Graph API.
Prerequisites
- Node.js >= 14
Features
- Authentication via Microsoft Authentication Library (MSAL)
- Excel file operations
- Calendar event management
- Mail operations
- OneDrive file management
- OneNote notebooks and pages
- To Do tasks and task lists
- Planner plans and tasks
- Outlook contacts
Quick Start Example
Test login in Claude Desktop:
Examples
Integration
Claude Desktop
To add this MCP server to Claude Desktop:
Edit the config file under Settings > Developer:
Claude Code CLI
For other interfaces that support MCPs, please refer to their respective documentation for the correct integration method.
Authentication
⚠️ You must authenticate before using tools.
- MCP client login:
- Call the
login
tool (auto-checks existing token) - If needed, get URL+code, visit in browser
- Use
verify-login
tool to confirm
- Call the
- Optional CLI login:Follow the URL and code prompt in the terminal.
Tokens are cached securely in your OS credential store (fallback to file).
CLI Options
The following options can be used when running ms-365-mcp-server directly from the command line:
Server Options
When running as an MCP server, the following options can be used:
Environment variables:
READ_ONLY=true|1
: Alternative to --read-only flagLOG_LEVEL
: Set logging level (default: 'info')SILENT=true
: Disable console output
License
MIT © 2025 Softeria
This server cannot be installed
hybrid server
The server is able to function both locally and remotely, depending on the configuration or use case.
A Model Context Protocol server that enables interaction with Microsoft 365 services (Excel, Calendar, Mail, OneDrive, Teams, etc.) through the Graph API, allowing AI assistants to manage Microsoft 365 resources via natural language.
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