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mcp/harbor
Gemini CLI

Outlook Mail for Gemini CLI

io.github.pepebits/outlook-mcp

Read, search, send and clean up Outlook.com / Hotmail mail through Microsoft Graph.

client:Gemini CLI transport:stdio runtime:npm

Install Outlook Mail in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "outlook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pepebits/outlook-mcp"
      ],
      "env": {
        "OUTLOOK_CLIENT_ID": "<OUTLOOK_CLIENT_ID>",
        "OUTLOOK_TENANT": "<OUTLOOK_TENANT>",
        "OUTLOOK_READ_ONLY": "<OUTLOOK_READ_ONLY>",
        "OUTLOOK_TOKEN_STORE": "<OUTLOOK_TOKEN_STORE>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Outlook Mail in other clients

Outlook Mail MCP server