Nano Banana Pro (Gemini 3 Pro Image)

SkillMedia

Lets your agent generate new images or edit existing ones using Google's Gemini image model.

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

Details

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Add it as a step in a pipeline you build on Ahel, or connect Ahel to Claude, ChatGPT, Cursor, Claude Code or Codex and ask your AI to use it.

About this skill

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

What this skill tells your AI

The instructions your AI receives, as published by beita6969/scienceclaw 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

Specific aspect ratio (optional)

uv run {baseDir}/scripts/generate_image.py --prompt "portrait photo" --filename "output.png" --aspect-ratio 9:16

Notes

  • Resolutions: 1K (default), 2K, 4K.
  • Aspect ratios: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9. Without --aspect-ratio / -a, the model picks freely - use this flag for avatars, profile pics, or consistent batch generation.
  • 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
942
Forks
106
Last commit
Oct 2026

Ahel review

  • K6low
    bundled executables the agent is told to run

Automated review, not a security audit. Ruleset v1+k2.

Advanced
Item type
skill
Key
nano-banana-pro-beita6969
Source
github.com/beita6969/scienceclaw