nano-banana-pro

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

1installs

Added on2026-02-09

NPX Install

npx skill4agent add chinayin/skills nano-banana-pro

Use the bundled script to generate or edit images.

Generate

bash

uv run {baseDir}/scripts/generate_image.py --prompt "your image description" --filename "output.png" --resolution 1K

Edit (single image)

bash

uv run {baseDir}/scripts/generate_image.py --prompt "edit instructions" --filename "output.png" -i "/path/in.png" --resolution 2K

Multi-image composition (up to 14 images)

bash

uv run {baseDir}/scripts/generate_image.py --prompt "combine these into one scene" --filename "output.png" -i img1.png -i img2.png -i img3.png

API key

Or set

skills."nano-banana-pro".apiKey

skills."nano-banana-pro".env.GEMINI_API_KEY

~/.openclaw/openclaw.json

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 OpenClaw to auto-attach on supported chat providers.
Do not read the image back; report the saved path only.