ReddRadar
Agent skill
nanobanana
Generate images from text prompts or edit existing images using Gemini Image Generation API. Supports text-to-image generation and image editing with multiple reference images. Use when creating visuals, editing photos, or generating illustrations.
Stars
163
Forks
31
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/nanobanana
SKILL.md
Nano Banana Pro - Image Generation & Editing
Generate or edit images using Gemini Image Generation API.
Modes
- Text-to-Image: Generate new images from text prompts
- Image Editing: Edit existing images with instructions
Usage
bash
# Text-to-image
python scripts/nanobanana.py "{prompt}" --aspect-ratio "{ratio}"
# Image editing
python scripts/nanobanana.py "{prompt}" --input "{image_path}"
# Multiple reference images
python scripts/nanobanana.py "{prompt}" --input "{image1}" --input "{image2}"
Parameters
| Parameter | Required | Default | Description |
|---|---|---|---|
| prompt | Yes | - | Generation/edit instruction |
| --input, -i | No | - | Input image(s) for editing |
| --output, -o | No | auto | Output path |
| --aspect-ratio, -ar | No | 16:9 | Output ratio |
| --session, -s | No | - | Session name for organizing output |
| --force-ar | No | false | Force aspect ratio in edit mode |
Aspect Ratios
1:1, 4:3, 3:4, 16:9, 9:16, 21:9
Examples
bash
# Generate landscape
python scripts/nanobanana.py "Mt. Fuji at sunset, photorealistic"
# Edit image
python scripts/nanobanana.py "Remove the background" --input photo.jpg
# Combine images
python scripts/nanobanana.py "Merge these into one composition" --input img1.png --input img2.png
# With session organization
python scripts/nanobanana.py "Company logo design" --session "brand_assets" --aspect-ratio 1:1
Requirements
- GEMINI_API_KEY or GOOGLE_API_KEY in environment
- Python packages: google-genai, Pillow, python-dotenv
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