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mcp/harbor
Gemini CLI

gmail for Gemini CLI

com.pulsemcp/gmail

MCP server for Gmail with OAuth2 (personal) and service account (Workspace) support.

client:Gemini CLI transport:stdio runtime:npm

Install gmail in Gemini CLI

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

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{
  "mcpServers": {
    "gmail": {
      "command": "npx",
      "args": [
        "-y",
        "gmail-workspace-mcp-server"
      ],
      "env": {
        "GMAIL_OAUTH_CLIENT_ID": "<GMAIL_OAUTH_CLIENT_ID>",
        "GMAIL_OAUTH_CLIENT_SECRET": "<GMAIL_OAUTH_CLIENT_SECRET>",
        "GMAIL_OAUTH_REFRESH_TOKEN": "<GMAIL_OAUTH_REFRESH_TOKEN>",
        "GMAIL_SERVICE_ACCOUNT_CLIENT_EMAIL": "<GMAIL_SERVICE_ACCOUNT_CLIENT_EMAIL>",
        "GMAIL_SERVICE_ACCOUNT_PRIVATE_KEY": "<GMAIL_SERVICE_ACCOUNT_PRIVATE_KEY>",
        "GMAIL_IMPERSONATE_EMAIL": "<GMAIL_IMPERSONATE_EMAIL>",
        "GMAIL_ENABLED_TOOLGROUPS": "<GMAIL_ENABLED_TOOLGROUPS>"
      }
    }
  }
}

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

gmail in other clients

gmail MCP server