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Outlook MCP logo

Outlook MCP

ryaker/outlook-mcp

A comprehensive MCP (Model Context Protocol) server that connects Claude with Microsoft 365 services through the Microsoft Graph API and Power Automate API.

View on GitHub32

Install

npx kill-port 3333

Client configuration

{
  "mcpServers": {
    "m365-assistant": {
      "command": "node",
      "args": [
        "/path/to/outlook-mcp/index.js"
      ],
      "env": {
        "USE_TEST_MODE": "<USE_TEST_MODE>",
        "OUTLOOK_CLIENT_ID": "<OUTLOOK_CLIENT_ID>",
        "OUTLOOK_CLIENT_SECRET": "<OUTLOOK_CLIENT_SECRET>"
      }
    }
  }
}

Environment variables

USE_TEST_MODEOUTLOOK_CLIENT_IDOUTLOOK_CLIENT_SECRETMS_CLIENT_IDMS_CLIENT_SECRETMS_TENANT_ID
GitHub stars
32
Author
@ryaker
Category
Communication, AI Chatbot
Updated
Oct 6, 2026

Features

  • Authentication: OAuth 2.0 authentication with Microsoft Graph API (+ Flow API for Power Automate)

  • Email Management: List, search, read, send, and organize emails

  • Calendar Management: List, create, accept, decline, and delete calendar events

  • Power Automate: List environments/flows, trigger flows, view run history

  • Modular Structure: Clean separation of concerns for maintainability

  • Test Mode: Simulated responses for testing without real API calls

Tools (21)

  • list-emails

    List recent emails from inbox

  • search-emails

    Search emails with filters

  • read-email

    Read email content

  • send-email

    Send a new email

  • mark-as-read

    Mark email as read/unread

  • list-events

    List calendar events

  • create-event

    Create calendar event

  • accept-event

    Accept event invitation

  • decline-event

    Decline event invitation

  • delete-event

    Delete calendar event

  • list-folders

    List mail folders

  • create-folder

    Create mail folder

  • move-emails

    Move emails between folders

  • list-rules

    List inbox rules

  • create-rule

    Create inbox rule

  • OneDrive

  • flow-list-environments

    List Power Platform environments

  • flow-list

    List flows in environment

  • flow-run

    Trigger a manual flow

  • flow-list-runs

    Get flow run history

  • flow-toggle

    Enable/disable a flow

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
Claude Desktop logo

Claude Desktop

Desktop · Freemium · Proprietary

Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.

WindowsMacOS

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