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Nanobanana MCP Server

Nanobanana MCP Server is an MCP server that provides image generation and editing capabilities. It has 402 GitHub stars, is released under the MIT license and runs locally with uvx nanobanana-mcp-server. It works with Claude Desktop, Claude Code, Cursor and VS Code and needs an API key.

github.com/zhongweili/nanobanana-mcp-server (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Nanobanana MCP Server

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "nanobanana-mcp-server": {
      "command": "uvx",
      "args": [
        "nanobanana-mcp-server"
      ],
      "env": {
        "GEMINI_API_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env GEMINI_API_KEY=your-value --transport stdio nanobanana-mcp-server -- uvx nanobanana-mcp-server

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "nanobanana-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nanobanana-mcp-server"
      ],
      "env": {
        "GEMINI_API_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "gemini_api_key",
      "description": "GEMINI_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "nanobanana-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nanobanana-mcp-server"
      ],
      "env": {
        "GEMINI_API_KEY": "${input:gemini_api_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
GEMINI_API_KEYsecretYesYour Gemini API key
IMAGE_OUTPUT_DIRNoThe image output directory

About Nanobanana MCP Server

A production-ready Model Context Protocol (MCP) server that provides AI-powered image generation capabilities through Google's Gemini models with intelligent model selection.

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FAQ

Nanobanana MCP Server FAQ

Still curious? Email info@appsgit.com.

How do I install the Nanobanana MCP Server MCP server?

Add the command uvx nanobanana-mcp-server to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Nanobanana MCP Server free?

The server is open source under the MIT license, so running it is free. It needs credentials (GEMINI_API_KEY) for the service it connects to, which may require a paid account.

Is Nanobanana MCP Server actively maintained?

The most recent commit was on Oct 2, 2026. The latest release is v0.4.6, published Sep 27, 2026. appsgit only lists MCP servers with a commit in the last six months.