Goclaw nano-banana-pro

Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).

install

source · Clone the upstream repo

git clone https://github.com/smallnest/goclaw

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/smallnest/goclaw "$T" && mkdir -p ~/.claude/skills && cp -r "$T/internal/builtin_skills/nano-banana-pro" ~/.claude/skills/smallnest-goclaw-nano-banana-pro && rm -rf "$T"

manifest: internal/builtin_skills/nano-banana-pro/SKILL.md

source content

Nano Banana Pro (Gemini 3 Pro Image)

Use the bundled script to generate or edit images.

Quick Start

Generate an image:

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

Commands

Generate Image

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

Edit Image

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:

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.