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Microsoft MCP

by elyxlz
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Microsoft MCP

Powerful MCP server for Microsoft Graph API - a complete AI assistant toolkit for Outlook, Calendar, OneDrive, and Contacts.

Features

  • Email Management: Read, send, reply, manage attachments, organize folders
  • Calendar Intelligence: Create, update, check availability, respond to invitations
  • OneDrive Files: Upload, download, browse with pagination
  • Contacts: Search and list contacts from your address book
  • Multi-Account: Support for multiple Microsoft accounts (personal, work, school)
  • Unified Search: Search across emails, files, events, and people

Quick Start with Claude Desktop

# Add Microsoft MCP server (replace with your Azure app ID) claude mcp add microsoft-mcp -e MICROSOFT_MCP_CLIENT_ID=your-app-id-here -- uvx --from git+https://github.com/elyxlz/microsoft-mcp.git microsoft-mcp # Start Claude Desktop claude

Usage Examples

# Email examples > read my latest emails with full content > reply to the email from John saying "I'll review this today" > send an email with attachment to alice@example.com # Calendar examples > show my calendar for next week > check if I'm free tomorrow at 2pm > create a meeting with Bob next Monday at 10am # File examples > list files in my OneDrive > upload this report to OneDrive > search for "project proposal" across all my files # Multi-account > list all my Microsoft accounts > send email from my work account

Available Tools

Email Tools

  • list_emails - List emails with optional body content
  • get_email - Get specific email with attachments
  • create_email_draft - Create email draft with attachments support
  • send_email - Send email immediately with CC/BCC and attachments
  • reply_to_email - Reply maintaining thread context
  • reply_all_email - Reply to all recipients in thread
  • update_email - Mark emails as read/unread
  • move_email - Move emails between folders
  • delete_email - Delete emails
  • get_attachment - Get email attachment content
  • search_emails - Search emails by query

Calendar Tools

  • list_events - List calendar events with details
  • get_event - Get specific event details
  • create_event - Create events with location and attendees
  • update_event - Reschedule or modify events
  • delete_event - Cancel events
  • respond_event - Accept/decline/tentative response to invitations
  • check_availability - Check free/busy times for scheduling
  • search_events - Search calendar events

Contact Tools

  • list_contacts - List all contacts
  • get_contact - Get specific contact details
  • create_contact - Create new contact
  • update_contact - Update contact information
  • delete_contact - Delete contact
  • search_contacts - Search contacts by query

File Tools

  • list_files - Browse OneDrive files and folders
  • get_file - Download file content
  • create_file - Upload files to OneDrive
  • update_file - Update existing file content
  • delete_file - Delete files or folders
  • search_files - Search files in OneDrive

Utility Tools

  • unified_search - Search across emails, events, and files
  • list_accounts - Show authenticated Microsoft accounts
  • authenticate_account - Start authentication for a new Microsoft account
  • complete_authentication - Complete the authentication process after entering device code

Manual Setup

1. Azure App Registration

  1. Go to Azure Portal → Microsoft Entra ID → App registrations
  2. New registration → Name: microsoft-mcp
  3. Supported account types: Personal + Work/School
  4. Authentication → Allow public client flows: Yes
  5. API permissions → Add these delegated permissions:
    • Mail.ReadWrite
    • Calendars.ReadWrite
    • Files.ReadWrite
    • Contacts.Read
    • People.Read
    • User.Read
  6. Copy Application ID

2. Installation

git clone https://github.com/elyxlz/microsoft-mcp.git cd microsoft-mcp uv sync

3. Authentication

# Set your Azure app ID export MICROSOFT_MCP_CLIENT_ID="your-app-id-here" # Run authentication script uv run authenticate.py # Follow the prompts to authenticate your Microsoft accounts

4. Claude Desktop Configuration

Add to your Claude Desktop configuration:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

{ "mcpServers": { "microsoft": { "command": "uvx", "args": ["--from", "git+https://github.com/elyxlz/microsoft-mcp.git", "microsoft-mcp"], "env": { "MICROSOFT_MCP_CLIENT_ID": "your-app-id-here" } } } }

Or for local development:

{ "mcpServers": { "microsoft": { "command": "uv", "args": ["--directory", "/path/to/microsoft-mcp", "run", "microsoft-mcp"], "env": { "MICROSOFT_MCP_CLIENT_ID": "your-app-id-here" } } } }

Multi-Account Support

All tools require an account_id parameter as the first argument:

# List accounts to get IDs accounts = list_accounts() account_id = accounts[0]["account_id"] # Use account for operations send_email(account_id, "user@example.com", "Subject", "Body") list_emails(account_id, limit=10, include_body=True) create_event(account_id, "Meeting", "2024-01-15T10:00:00Z", "2024-01-15T11:00:00Z")

Development

# Run tests uv run pytest tests/ -v # Type checking uv run pyright # Format code uvx ruff format . # Lint uvx ruff check --fix --unsafe-fixes .

Example: AI Assistant Scenarios

Smart Email Management

# Get account ID first accounts = list_accounts() account_id = accounts[0]["account_id"] # List latest emails with full content emails = list_emails(account_id, limit=10, include_body=True) # Reply maintaining thread reply_to_email(account_id, email_id, "Thanks for your message. I'll review and get back to you.") # Forward with attachments email = get_email(email_id, account_id) attachments = [get_attachment(email_id, att["id"], account_id) for att in email["attachments"]] send_email(account_id, "boss@company.com", f"FW: {email['subject']}", email["body"]["content"], attachments=attachments)

Intelligent Scheduling

# Get account ID first accounts = list_accounts() account_id = accounts[0]["account_id"] # Check availability before scheduling availability = check_availability(account_id, "2024-01-15T10:00:00Z", "2024-01-15T18:00:00Z", ["colleague@company.com"]) # Create meeting with details create_event( account_id, "Project Review", "2024-01-15T14:00:00Z", "2024-01-15T15:00:00Z", location="Conference Room A", body="Quarterly review of project progress", attendees=["colleague@company.com", "manager@company.com"] )

Security Notes

  • Tokens are cached locally in ~/.microsoft_mcp_token_cache.json
  • Use app-specific passwords if you have 2FA enabled
  • Only request permissions your app actually needs
  • Consider using a dedicated app registration for production

Troubleshooting

  • Authentication fails: Check your CLIENT_ID is correct
  • "Need admin approval": Use MICROSOFT_MCP_TENANT_ID=consumers for personal accounts
  • Missing permissions: Ensure all required API permissions are granted in Azure
  • Token errors: Delete ~/.microsoft_mcp_token_cache.json and re-authenticate

License

MIT

Deploy Server
A
security – no known vulnerabilities
F
license - not found
A
quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

View all tools

A powerful MCP server that enables AI assistants to interact with Microsoft Graph API for managing Outlook emails, Calendar events, OneDrive files, and Contacts through natural language commands.

  1. Features
    1. Quick Start with Claude Desktop
      1. Usage Examples
    2. Available Tools
      1. Email Tools
      2. Calendar Tools
      3. Contact Tools
      4. File Tools
      5. Utility Tools
    3. Manual Setup
      1. 1. Azure App Registration
      2. 2. Installation
      3. 3. Authentication
      4. 4. Claude Desktop Configuration
    4. Multi-Account Support
      1. Development
        1. Example: AI Assistant Scenarios
          1. Smart Email Management
          2. Intelligent Scheduling
        2. Security Notes
          1. Troubleshooting
            1. License

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