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Nano-Banana-MCP

by ConechoAI
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Nano-Banana MCP Server 🍌

🤖 This project was entirely generated by - an AI coding assistant that can create complete, production-ready applications from scratch.

A Model Context Protocol (MCP) server that provides AI image generation and editing capabilities using Google's Gemini 2.5 Flash Image API. Generate stunning images, edit existing ones, and iterate on your creations with simple text prompts.

✨ Features

  • 🎨 Generate Images: Create new images from text descriptions

  • ✏️ Edit Images: Modify existing images with text prompts

  • 🔄 Iterative Editing: Continue editing the last generated/edited image

  • 🖼️ Multiple Reference Images: Use reference images for style transfer and guidance

  • 🌍 Cross-Platform: Smart file paths for Windows, macOS, and Linux

  • 🔧 Easy Setup: Simple configuration with API key

  • 📁 Auto File Management: Automatic image saving with organized naming

🔑 Setup

  1. Get your Gemini API key:

  2. Configure the MCP server: See configuration examples for your specific client below (Claude Code, Cursor, or other MCP clients).

💻 Usage with Claude Code

Configuration:

Add this to your Claude Code MCP settings:

Option A: With environment variable (Recommended - Most Secure)

{ "mcpServers": { "nano-banana": { "command": "npx", "args": ["nano-banana-mcp"], "env": { "GEMINI_API_KEY": "your-gemini-api-key-here" } } } }

Option B: Without environment variable

{ "mcpServers": { "nano-banana": { "command": "npx", "args": ["nano-banana-mcp"] } } }

Usage Examples:

Generate an image of a sunset over mountains
Edit this image to add some birds in the sky
Continue editing to make it more dramatic

🎯 Usage with Cursor

Configuration:

Add to your Cursor MCP configuration:

Option A: With environment variable (Recommended)

{ "nano-banana": { "command": "npx", "args": ["nano-banana-mcp"], "env": { "GEMINI_API_KEY": "your-gemini-api-key-here" } } }

Option B: Without environment variable

{ "nano-banana": { "command": "npx", "args": ["nano-banana-mcp"] } }

Usage Examples:

  • Ask Cursor to generate images for your app

  • Create mockups and prototypes

  • Generate assets for your projects

🔧 For Other MCP Clients

If you're using a different MCP client, you can configure nano-banana-mcp using any of these methods:

Configuration Methods

Method A: Environment Variable in MCP Config (Recommended)

{ "nano-banana": { "command": "npx", "args": ["nano-banana-mcp"], "env": { "GEMINI_API_KEY": "your-gemini-api-key-here" } } }

Method B: System Environment Variable

export GEMINI_API_KEY="your-gemini-api-key-here" npx nano-banana-mcp

Method C: Using the Configure Tool

npx nano-banana-mcp # The server will prompt you to configure when first used # This creates a local .nano-banana-config.json file

🛠️ Available Commands

generate_image

Create a new image from a text prompt.

generate_image({ prompt: "A futuristic city at night with neon lights" })

edit_image

Edit a specific image file.

edit_image({ imagePath: "/path/to/image.png", prompt: "Add a rainbow in the sky", referenceImages?: ["/path/to/reference.jpg"] // optional })

continue_editing

Continue editing the last generated/edited image.

continue_editing({ prompt: "Make it more colorful", referenceImages?: ["/path/to/style.jpg"] // optional })

get_last_image_info

Get information about the last generated image.

get_last_image_info()

configure_gemini_token

Configure your Gemini API key.

configure_gemini_token({ apiKey: "your-gemini-api-key" })

get_configuration_status

Check if the API key is configured.

get_configuration_status()

⚙️ Configuration Priority

The MCP server loads your API key in the following priority order:

  1. 🥇 MCP Configuration Environment Variables (Highest Priority)

    • Set in your claude_desktop_config.json or MCP client config

    • Most secure as it's contained within the MCP configuration

    • Example: "env": { "GEMINI_API_KEY": "your-key" }

  2. 🥈 System Environment Variables

    • Set in your shell/system environment

    • Example: export GEMINI_API_KEY="your-key"

  3. 🥉 Local Configuration File (Lowest Priority)

    • Created when using the configure_gemini_token tool

    • Stored as .nano-banana-config.json in current directory

    • Automatically ignored by Git and NPM

💡 Recommendation: Use Method 1 (MCP config env variables) for the best security and convenience.

📁 File Storage

Images are automatically saved to platform-appropriate locations:

  • Windows: %USERPROFILE%\\Documents\\nano-banana-images\\

  • macOS/Linux: ./generated_imgs/ (in current directory)

  • System directories: ~/nano-banana-images/ (when run from system paths)

File naming convention:

  • Generated images: generated-[timestamp]-[id].png

  • Edited images: edited-[timestamp]-[id].png

🎨 Example Workflows

Basic Image Generation

  1. generate_image - Create your base image

  2. continue_editing - Refine and improve

  3. continue_editing - Add final touches

Style Transfer

  1. generate_image - Create base content

  2. edit_image - Use reference images for style

  3. continue_editing - Fine-tune the result

Iterative Design

  1. generate_image - Start with a concept

  2. get_last_image_info - Check current state

  3. continue_editing - Make adjustments

  4. Repeat until satisfied

🔧 Development

This project was created with Claude Code and follows these technologies:

  • TypeScript - Type-safe development

  • Node.js - Runtime environment

  • Zod - Schema validation

  • Google GenAI - Image generation API

  • MCP SDK - Model Context Protocol

Local Development

# Clone the repository git clone https://github.com/claude-code/nano-banana-mcp.git cd nano-banana-mcp # Install dependencies npm install # Run in development mode npm run dev # Build for production npm run build # Run tests npm test

📋 Requirements

  • Node.js 18.0.0 or higher

  • Gemini API key from Google AI Studio

  • Compatible with Claude Code, Cursor, and other MCP clients

🤝 Contributing

This project was generated by Claude Code, but contributions are welcome! Please feel free to:

  • Report bugs

  • Suggest new features

  • Submit pull requests

  • Improve documentation

📄 License

MIT License - see LICENSE file for details.

🙏 Acknowledgments

  • Claude Code - For generating this entire project

  • Google AI - For the powerful Gemini 2.5 Flash Image API

  • Anthropic - For the Model Context Protocol

  • Open Source Community - For the amazing tools and libraries

📞 Support

✨ Generated with love by

Deploy Server
-
security - not tested
A
license - permissive license
-
quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

A Nano Banana MCP server, which you can integrate to cursor/claude code and any mcp client

  1. ✨ Features
    1. 🔑 Setup
      1. 💻 Usage with Claude Code
        1. Configuration:
        2. Usage Examples:
      2. 🎯 Usage with Cursor
        1. Configuration:
        2. Usage Examples:
      3. 🔧 For Other MCP Clients
        1. Configuration Methods
      4. 🛠️ Available Commands
        1. generate_image
        2. edit_image
        3. continue_editing
        4. get_last_image_info
        5. configure_gemini_token
        6. get_configuration_status
      5. ⚙️ Configuration Priority
        1. 📁 File Storage
          1. 🎨 Example Workflows
            1. Basic Image Generation
            2. Style Transfer
            3. Iterative Design
          2. 🔧 Development
            1. Local Development
          3. 📋 Requirements
            1. 🤝 Contributing
              1. 📄 License
                1. 🙏 Acknowledgments
                  1. 📞 Support

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