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
• User management
• Dynamic tools powered by Microsoft Graph OpenAPI spec
• Built on the Model Context Protocol

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:

{
  "mcpServers": {
    "ms365": {
      "command": "npx",
      "args": [
        "-y",
        "@softeria/ms-365-mcp-server"
      ]
    }
  }
}

Claude Code CLI

claude mcp add ms365 -- npx -y @softeria/ms-365-mcp-server

For other interfaces that support MCPs, please refer to their respective documentation for the correct integration method.

Authentication

⚠️ You must authenticate before using tools.

1. 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
2. Optional CLI login:

   npx @softeria/ms-365-mcp-server --login
   

   Follow the URL and code prompt in the terminal.

Tokens are cached securely in your OS credential store (fallback to file).

License

MIT © 2025 Softeria