Outlook MCP Server

by littlebearappsio.github.littlebearapps/outlook-mcpv3.2.1

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

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Active3d ago

Install Outlook MCP server

claude mcp add outlook-littlebearapps -e OUTLOOK_CLIENT_ID='<outlook-client-id>' -e OUTLOOK_CLIENT_SECRET='<outlook-client-secret>' -- npx -y @littlebearapps/outlook-mcp

{
  "mcpServers": {
    "outlook-littlebearapps": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-mcp"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<outlook-client-id>",
        "OUTLOOK_CLIENT_SECRET": "<outlook-client-secret>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "outlook-littlebearapps": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-mcp"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<outlook-client-id>",
        "OUTLOOK_CLIENT_SECRET": "<outlook-client-secret>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "outlook-littlebearapps": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-mcp"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<outlook-client-id>",
        "OUTLOOK_CLIENT_SECRET": "<outlook-client-secret>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "outlook-littlebearapps": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-mcp"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<outlook-client-id>",
        "OUTLOOK_CLIENT_SECRET": "<outlook-client-secret>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
OUTLOOK_CLIENT_ID	yes	—	Azure AD application client ID
OUTLOOK_CLIENT_SECRET	yes	yes	Azure AD application client secret value

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 3d ago · GitHub
Latest release
2026-10-05 · 5d ago · GitHub · v3.14.1
Package published
no data · npm/PyPI
Registry entry updated
2026-03-06 · 7mo ago · official registry · v3.2.1

FAQ

›How do I install the Outlook MCP server in Claude Code?

Run: claude mcp add outlook-littlebearapps -e OUTLOOK_CLIENT_ID='<outlook-client-id>' -e OUTLOOK_CLIENT_SECRET='<outlook-client-secret>' -- npx -y @littlebearapps/outlook-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Outlook require an API key?

Yes. It expects OUTLOOK_CLIENT_ID, OUTLOOK_CLIENT_SECRET, of which 1 is a secret.

›Can I use Outlook as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Outlook in the official MCP registry?

Yes, as io.github.littlebearapps/outlook-mcp.