outlook-assistant

outlook-assistant is a local MCP server: Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management. Install it from npm as @littlebearapps/outlook-assistant.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add outlook-assistant -e OUTLOOK_CLIENT_ID=... -e OUTLOOK_CLIENT_SECRET=... -- npx -y @littlebearapps/outlook-assistant

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "outlook-assistant": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-assistant"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "...",
        "OUTLOOK_CLIENT_SECRET": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: OUTLOOK_CLIENT_ID, OUTLOOK_CLIENT_SECRET