A Model Context Protocol server for AI image generation and editing with Google's Gemini "Nano Banana" image models, via the Interactions API.
nano-banana-mcp is an MCP project maintained in the petrkindlmann/nano-banana-mcp repository. The maintainer describes its purpose as “A Model Context Protocol server for AI image generation and editing with Google's Gemini "Nano Banana" image models, via the Interactions API”. Read the project documentation for the complete scope.
The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares GEMINI_API_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| generate_image | |
| edit_image | |
| generate_story | |
| generate_icon_set | |
| generate_from_video | |
| Tier | Model ID |
| lite | gemini-3.1-flash-lite-image |
| nano | gemini-2.5-flash-image |
| flash | gemini-3.1-flash-image |
| pro | gemini-3-pro-image |
| Arg | Type |
| prompt | string |
| model | lite/nano/flash/pro |
| ratio | string |
| size | 512/1K/2K/4K |
| use_search | boolean |
| use_image_search | boolean |
| show_thinking | boolean |
| preview | boolean |
| previous_interaction_id | string |
| reference_images | string[] |
| output_dir | string |
| basename | string |
| prompts | string[] |
| youtube_url | string |
{
"mcpServers": {
"nano-banana": {
"command": "node",
"args": [
"/absolute/path/to/nano-banana-mcp/index.js"
],
"env": {
"GEMINI_API_KEY": "YOUR_GEMINI_API_KEY"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| GEMINI_API_KEY | Declared in the maintainer’s client configuration. | Check documentation |
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