Nano Banana MCP Server

Nano Banana MCP Server

An MCP server that enables image generation using Google's Gemini Nano Banana Pro model via the Google AI Studio API. Users can generate and save images locally by providing text prompts through MCP-compatible clients.

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README

Nano Banana MCP Server

MCP服务器，用于通过Google AI Studio API调用Gemini Nano Banana Pro (gemini-3-pro-image-preview) 图像生成模型。

版本: 1.0.0

功能

  • 调用Google Gemini Nano Banana模型生成图像
  • 支持通过MCP协议在opencode等客户端中使用
  • 生成图片会保存到本地文件

安装

npm install
npm run build

配置

  1. 复制 .env.example 为 .env：
cp .env.example .env
  1. 在 .env 中设置你的Google API Key：
GOOGLE_API_KEY=your_api_key_here

环境变量

变量 说明 默认值
GOOGLE_API_KEY Google AI Studio API密钥 (必填)
HTTPS_PROXY HTTPS代理地址 系统代理

运行

npm start

在opencode中使用

在opencode的mcp配置中添加：

{
  "mcp": {
    "nanobanana": {
      "type": "local",
      "command": ["node", "/path/to/nanobanana-mcp-server/dist/index.js"],
      "env": {
        "GOOGLE_API_KEY": "your_api_key"
      },
      "enabled": true
    }
  }
}

工具

generate_image

生成图像

参数：

  • prompt (required): 图像描述文本
  • output_dir: 图片保存目录 (默认当前目录)

示例：

用nano banana画一只可爱的猫咪

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