MCP Nano Banana Server

A Model Context Protocol (MCP) server that integrates with DUOMI's Nano Banana AI for image generation and editing.

Features

Tools

• generate_image - Generate new images using Nano Banana AI

  • prompt (required): Text description for image generation
  • model (optional): AI model, default "gemini-2.5-pro-image-preview"
  • aspect_ratio (optional): Image aspect ratio
  • image_size (optional): Image size like "1K", default "1K"
  • poll_interval (optional): Polling interval in seconds, default 5
  • max_attempts (optional): Maximum polling attempts, default 60

• edit_image - Edit existing images using Nano Banana AI

  • prompt (required): Text description for image editing
  • image_urls (required): Comma-separated list of image URLs to edit
  • model (optional): AI model, default "gemini-2.5-pro-image-preview"
  • aspect_ratio (optional): Image aspect ratio
  • image_size (optional): Image size like "1K", default "1K"
  • poll_interval (optional): Polling interval in seconds, default 5
  • max_attempts (optional): Maximum polling attempts, default 60

Installation

npm install -g mcp-server-nano-banana

Configuration

You need to obtain a DUOMI API token:

1. Visit DUOMI website and register for an account
2. Get your API token from the developer dashboard
3. Set the DUOMI_API_TOKEN environment variable

Usage with Claude Desktop

Add the server config to your Claude Desktop configuration:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "nano-banana": {
      "command": "npx",
      "args": ["-y", "mcp-server-nano-banana"],
      "env": {
        "DUOMI_API_TOKEN": "your-api-token-here"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Or if using npm install (traditional way):

{
  "mcpServers": {
    "nano-banana": {
      "command": "mcp-server-nano-banana",
      "env": {
        "DUOMI_API_TOKEN": "your-api-token-here"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Development

Clone this repository and install dependencies:

git clone https://github.com/Lunar-feedmob/Duomi_banana_MCP.git
cd Duomi_banana_MCP
npm install
npm run build

Debug with MCP Inspector

npm run inspector

This will provide a URL to access debugging tools in your browser.

License

MIT

Contributing

Contributions are welcome. Please open issues and pull requests on GitHub.