gemini-mcp-server

MCP server that wraps the Google Gemini CLI, letting other AI models (Claude, GPT, etc.) call Gemini through the Model Context Protocol.

Prerequisites

• Node.js >= 18
• Gemini CLI installed and authenticated: npm install -g @google/gemini-cli

Install & Build

npm install
npm run build

Usage with Claude Code

Add to your Claude Code MCP settings (~/.claude/settings.json or project .claude/settings.json):

{
  "mcpServers": {
    "gemini": {
      "command": "node",
      "args": ["/absolute/path/to/gemini-mcp/dist/index.js"]
    }
  }
}

Tools

gemini_prompt

Send a prompt to Gemini CLI in non-interactive mode.

| Parameter | Type | Default | Description | |-----------|------|---------|-------------| | prompt | string | (required) | The prompt to send | | model | string | CLI default | Gemini model (e.g. gemini-2.5-pro) | | sandbox | boolean | false | Run in sandbox mode | | yolo | boolean | false | Auto-approve all tool actions | | cwd | string | server cwd | Working directory | | timeout_ms | number | 120000 | Timeout in ms | | output_format | string | text | text, json, or stream-json |

gemini_version

Returns the installed Gemini CLI version.