ReddRadar
Agent skill
nano-banana-pro
Generate images using AI. Use when the user asks to create, generate, or make images, pictures, graphics, illustrations, visuals, or artwork. Also use for image editing with reference images.
Install this agent skill to your Project
npx add-skill https://github.com/idanbeck/claude-skills/tree/main/nano-banana-pro
SKILL.md
Nano Banana Pro - AI Image Generation
Generate images using Google's Gemini 3 Pro Image model.
Usage
Run the generation script:
python ~/.claude/skills/nano-banana-pro/generate_image.py "your prompt here" [options]
Options
| Option | Description | Default |
|---|---|---|
--resolution |
Output size: 1K, 2K, or 4K | 2K |
--aspect |
Aspect ratio: 16:9, 1:1, 4:3, 9:16, 3:4 | 16:9 |
--output |
Output directory path | ./generated_images |
--reference |
Reference image(s) for style/editing (up to 14) | None |
--format |
Output format: png, jpeg, webp | png |
--no-text |
Add instruction to exclude text/typography | off |
--cinematic |
Add cinematic film style (ARRI, shallow DoF, grain) | off |
--photorealistic |
Add photorealistic style hints | off |
Examples
Basic generation
python ~/.claude/skills/nano-banana-pro/generate_image.py "a serene mountain landscape at sunset, photorealistic"
Square image for social media
python ~/.claude/skills/nano-banana-pro/generate_image.py "abstract geometric pattern in blue and gold" --aspect 1:1 --resolution 2K
High-res with custom output
python ~/.claude/skills/nano-banana-pro/generate_image.py "futuristic city skyline" --resolution 4K --output ~/Pictures/ai-generated
Style transfer with reference image
python ~/.claude/skills/nano-banana-pro/generate_image.py "transform this into a watercolor painting" --reference input.jpg
Image editing with reference
python ~/.claude/skills/nano-banana-pro/generate_image.py "add a rainbow in the sky" --reference landscape.png
Output
Images are saved with timestamp filenames:
- Format:
{timestamp}_{sanitized_prompt}.{format} - Example:
20260106_143052_serene_mountain_landscape.png
The script outputs the full path to the generated image.
Requirements
- Python 3.10+
google-genailibraryGEMINI_API_KEYenvironment variable
Notes
- Gemini 3 Pro Image requires paid billing (no free tier)
- Generated images include SynthID watermarking
- Reference images enable style transfer and editing capabilities
- Raw prompts by default: Prompts are sent unadulterated. Use
--no-text,--cinematic, or--photorealisticflags to add style hints.
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