Nano Banana Pro (Gemini 3 Pro Image)

SkillMedia

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

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Nano Banana Pro (Gemini 3 Pro Image) skill

What this skill tells your AI

The instructions your AI receives, as published by openxjarvis/openclaw-python in skills/nano-banana-pro/SKILL.md and read by ahel’s review.

Use the bundled script to generate or edit images.

Generate

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

Edit (single image)

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)

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

  • GEMINI_API_KEY env var
  • Or set skills."nano-banana-pro".apiKey / skills."nano-banana-pro".env.GEMINI_API_KEY in ~/.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.

Signals

GitHub stars
67
Forks
23
Last commit
May 2026
Advanced
Catalog kind
skill
Gateway key
nano-banana-pro-openxjarvis
Source
github.com/openxjarvis/openclaw-python