Microsoft 365 MCP Server

Integrate Microsoft 365 to manage Outlook email, calendar events, OneDrive files, Tasks, Teams chats, and user profiles via Microsoft Graph and MCP protocol.

Full Microsoft 365 integration via Model Context Protocol (MCP).

Features

📧 Mail (Outlook)

• List, read, send, and search emails
• Filter by folder (inbox, sent, drafts)
• HTML email support

📅 Calendar

• List and create events
• Teams meeting integration
• Check availability/free-busy

📁 OneDrive

• Browse files and folders
• Search files
• Read file content

✅ Tasks (Microsoft To-Do)

• List task lists
• Create and manage tasks
• Set importance and due dates

💬 Teams

• List chats
• Read and send messages

👥 Users

• List organization users
• Get user profiles

Requirements

• Node.js 18+
• Azure Entra ID App with Microsoft Graph permissions

Setup

1. Create Azure Entra ID App

1. Go to Azure Portal
2. Navigate to Microsoft Entra ID → App registrations → New registration
3. Configure:
   • Name: MCP-Microsoft365
   • Supported account types: Single tenant (recommended)
   • Redirect URI: http://localhost:3000/callback

2. Add API Permissions

Add these Application permissions for Microsoft Graph:

Mail.Read, Mail.Send, Mail.ReadWrite
Calendars.Read, Calendars.ReadWrite
Files.Read.All, Files.ReadWrite.All
Tasks.Read.All, Tasks.ReadWrite.All
Chat.Read.All, Chat.ReadWrite.All
User.Read.All

Important: Click "Grant admin consent"

3. Get Credentials

Save these values:

• Application (client) ID
• Directory (tenant) ID
• Client Secret (create under Certificates & secrets)

4. Install

# Clone/download the skill
cd mcp-microsoft365

# Install dependencies
npm install

# Build
npm run build

5. Configure mcporter

mcporter config add m365 --stdio "node /path/to/mcp-microsoft365/dist/index.js"

Edit config/mcporter.json to add environment variables:

{
  "mcpServers": {
    "m365": {
      "command": "node /path/to/dist/index.js",
      "env": {
        "TENANT_ID": "your-tenant-id",
        "CLIENT_ID": "your-client-id",
        "CLIENT_SECRET": "your-client-secret",
        "DEFAULT_USER": "[e-mail]"
      }
    }
  }
}

Usage

Email

# List recent emails
mcporter call m365.m365_mail_list top:5

# Send email
mcporter call m365.m365_mail_send to:"[e-mail]" subject:"Hello" body:"<p>Hi!</p>"

# Search
mcporter call m365.m365_mail_search query:"important"

Calendar

# List events
mcporter call m365.m365_calendar_list top:10

# Create event with Teams meeting
mcporter call m365.m365_calendar_create subject:"Team Sync" start:"2026-01-27T10:00:00" end:"2026-01-27T11:00:00" isOnline:true

Files

# List OneDrive root
mcporter call m365.m365_files_list

# Search files
mcporter call m365.m365_files_search query:"report"

Tasks

# List task lists
mcporter call m365.m365_tasks_lists

Teams

# List chats
mcporter call m365.m365_teams_chats top:10

19 Available Tools

Tool	Description
m365_mail_list	List emails
m365_mail_read	Read email by ID
m365_mail_send	Send email
m365_mail_search	Search emails
m365_calendar_list	List events
m365_calendar_create	Create event
m365_calendar_availability	Check free/busy
m365_files_list	List files
m365_files_search	Search files
m365_files_read	Read file content
m365_files_info	Get file metadata
m365_tasks_lists	List task lists
m365_tasks_list	List tasks
m365_tasks_create	Create task
m365_teams_chats	List chats
m365_teams_messages	Read messages
m365_teams_send	Send message
m365_users_list	List users
m365_user_info	Get user profile

Author

Mahmoud Alkhatib

• Website: malkhatib.com
• YouTube: @malkhatib
• Twitter: @malkhateeb

License

MIT