MCP Server

Outlook MCP Server

io.github.mcp-z/mcp-outlook

Registry

What is the Outlook MCP server?

Outlook integration with OAuth, message search, batch operations, and calendar management

How to install Outlook

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

MS_CLIENT_ID
required
Microsoft OAuth client ID (required for OAuth authentication modes)
MS_TENANT_ID
required
Microsoft tenant ID (required for OAuth authentication)
MS_CLIENT_SECRET
secret
Microsoft OAuth client secret (optional for public clients)
AUTH_MODE
Authentication mode
HEADLESS
Disable browser auto-open, return auth URL instead (true/false)
REDIRECT_URI
OAuth redirect URI (optional, default: ephemeral loopback)
RESOURCE_STORE_URI
Resource store URI for CSV export files (file://)
PORT
HTTP server port (overrides --port)
BASE_URL
Base URL for HTTP transport (used for OAuth/DCR endpoints and file links)
LOG_LEVEL
Logging level
DCR_MODE
Dynamic Client Registration mode
DCR_VERIFY_URL
External verification endpoint URL (required for external DCR mode)
DCR_STORE_URI
DCR client storage URI (for self-hosted DCR mode)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-outlook": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-z/mcp-outlook",
        "-y",
        "--auth",
        "--tenant-id",
        "--headless",
        "--redirect-uri",
        "--resource-store-uri",
        "--base-url",
        "--log-level"
      ],
      "env": {
        "MS_CLIENT_ID": "<YOUR_MS_CLIENT_ID>",
        "MS_TENANT_ID": "<YOUR_MS_TENANT_ID>",
        "MS_CLIENT_SECRET": "<YOUR_MS_CLIENT_SECRET>",
        "AUTH_MODE": "<YOUR_AUTH_MODE>",
        "HEADLESS": "<YOUR_HEADLESS>",
        "REDIRECT_URI": "<YOUR_REDIRECT_URI>",
        "RESOURCE_STORE_URI": "<YOUR_RESOURCE_STORE_URI>",
        "PORT": "<YOUR_PORT>",
        "BASE_URL": "<YOUR_BASE_URL>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>",
        "DCR_MODE": "<YOUR_DCR_MODE>",
        "DCR_VERIFY_URL": "<YOUR_DCR_VERIFY_URL>",
        "DCR_STORE_URI": "<YOUR_DCR_STORE_URI>"
      }
    }
  }
}

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