---
id: smallnest/goclaw/nano-banana-pro
version: "357ebdf5"
license: MIT
install: manual
updated: 2026-03-27
---

# nano-banana-pro — Nano Banana Pro harnesses Gemini 3 Pro Image to create and modify images from natural language descriptions. The skill supports single image generation, editing of existing images, and composition of multiple images into unified scenes across resolutions up to 4K.

Publisher: smallnest · Stars: 601 · Updated: 2026-03-27

Install (manual): `git clone https://github.com/smallnest/goclaw`

## SKILL.md

# Nano Banana Pro (Gemini 3 Pro Image)

Use the bundled script to generate or edit images.

## Quick Start

Generate an image:

```bash
uv run skills/nano-banana-pro/scripts/generate_image.py --prompt "your image description" --filename "output.png" --resolution 1K
```

## Commands

### Generate Image

```bash
uv run skills/nano-banana-pro/scripts/generate_image.py --prompt "your image description" --filename "output.png" --resolution 1K
```

### Edit Image

```bash
uv run skills/nano-banana-pro/scripts/generate_image.py --prompt "edit instructions" --filename "output.png" -i "/path/in.png" --resolution 2K
```

### Multi-Image Composition

Combine up to 14 images:

```bash
uv run skills/nano-banana-pro/scripts/generate_image.py --prompt "combine these into one scene" --filename "output.png" -i img1.png -i img2.png -i img3.png
```

## Parameters

- `--prompt`: Image description (required)
- `--filename`: Output filename (required)
- `--resolution`: Image resolution: `1K` (default), `2K`, `4K`
- `-i`: Input image path for editing/composition (can be used multiple times)

## API Key

Set one of the following environment variables:
- `GOOGLE_API_KEY` (preferred)
- `GEMINI_API_KEY`

## Notes

- Resolutions: `1K` (default), `2K`, `4K`.
- Use timestamps in filenames: `yyyy-mm-dd-hh-mm-ss-name.png`.
- The script prints a `MEDIA:` line for auto-attachment on supported chat providers.
- Do not read the image back; report the saved path only.


[View on SkillFed](https://skillfed.io/smallnest/goclaw/nano-banana-pro) · [View on GitHub](https://github.com/smallnest/goclaw)