nano-banana-pro
Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
Best use case
nano-banana-pro is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
Teams using nano-banana-pro should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/nano-banana-pro/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How nano-banana-pro Compares
| Feature / Agent | nano-banana-pro | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Nano Banana Pro (Gemini 3 Pro Image)
Generate or edit images using Google's Gemini 3 Pro Image API.
## Requirements
- **uv** (Python package manager) - Install: `brew install uv`
- **GEMINI_API_KEY** environment variable
## Usage
### Generate New Image
```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
```
## Configuration
**API Key** (in order of precedence):
1. `--api-key` argument
2. `GEMINI_API_KEY` environment variable
## Options
| Flag | Description |
|------|-------------|
| `-p, --prompt` | Image description/prompt (required) |
| `-f, --filename` | Output filename (required) |
| `-i, --input-image` | Input image for editing (can specify multiple) |
| `-r, --resolution` | Output resolution: 1K, 2K, 4K (default: 1K) |
| `-k, --api-key` | Gemini API key |
## Notes
- Use timestamps in filenames: `yyyy-mm-dd-hh-mm-ss-name.png`
- The script outputs a `MEDIA:` line with the saved file path
- Do not read the image back; report the saved path only
- When editing, resolution auto-detects from input image dimensions
## When to Use
- User asks to generate an image
- User wants to edit/modify an existing image
- User wants to combine multiple images
- Any AI image generation taskRelated Skills
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