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Gemini CLI

Gmail MCP for Gemini CLI

com.renzojohnson/gmail-mcp

Gmail MCP server: list, read, search and send email, manage drafts and labels.

client:Gemini CLI transport:stdio runtime:npm

Install Gmail MCP in Gemini CLI

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

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{
  "mcpServers": {
    "gmail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@renzo.johnson/gmail-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "GOOGLE_OAUTH_CLIENT_ID": "<GOOGLE_OAUTH_CLIENT_ID>",
        "GOOGLE_OAUTH_CLIENT_SECRET": "<GOOGLE_OAUTH_CLIENT_SECRET>",
        "GOOGLE_OAUTH_REFRESH_TOKEN": "<GOOGLE_OAUTH_REFRESH_TOKEN>"
      }
    }
  }
}

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

Gmail MCP in other clients

Gmail MCP MCP server