mcp-outlook

Docs: https://mcp-z.github.io/mcp-outlook Outlook MCP server for searching, reading, and sending Microsoft 365 mail.

• Search and read messages
• Send and reply to emails
• Manage categories and export messages to CSV

MCP supports stdio and HTTP.

Stdio

{
  "mcpServers": {
    "outlook": {
      "command": "npx",
      "args": ["-y", "@mcp-z/mcp-outlook"]
    }
  }
}

HTTP

{
  "mcpServers": {
    "outlook": {
      "type": "http",
      "url": "http://localhost:9003/mcp",
      "start": {
        "command": "npx",
        "args": ["-y", "@mcp-z/mcp-outlook", "--port=9003"]
      }
    }
  }
}

start is an extension used by npx @mcp-z/cli up to launch HTTP servers for you.

1. Go to Azure Portal.
2. Navigate to Azure Active Directory > App registrations.
3. Click New registration.
4. Choose a name and select a supported account type.
5. Copy the Application (client) ID and Directory (tenant) ID.
6. Select your MCP transport (stdio for local and http for remote) and platform

• For stdio, choose "Authentication", + Add Redirect URI, "Mobile and desktop applications" platform
• For http, choose "Authentication", + Add Redirect URI, "Web" platform, add your URL (default is http://localhost:3000/oauth/callback based on the --port or PORT)
• For local hosting, add "http://localhost" for Ephemeral redirect URL

1. Enable OAuth2 scopes in API Permissions: openid profile offline_access https://graph.microsoft.com/User.Read https://graph.microsoft.com/Mail.ReadWrite https://graph.microsoft.com/Mail.Send https://graph.microsoft.com/MailboxSettings.ReadWrite

Configure via environment variables or the env block in .mcp.json. See server.json for the full list of options.

Environment variables:

MS_CLIENT_ID=your-client-id
MS_TEN