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Skills give you superpowers. Install in 30 seconds.

Nano Banana Pro brings AI image generation and editing directly into your agent workflow using Google's Gemini 3 Pro Image API. It supports both text-to-image creation from natural language descriptions and image-to-image editing of existing files, with output resolutions ranging from 1K to 4K — making it suitable for everything from quick prototyping to production-quality visual assets.

Key Features

Text-to-image generation that creates new images from natural language descriptions using Gemini 3 Pro
Image-to-image editing that modifies existing images based on editing instructions, preserving the original composition while applying changes
Three resolution tiers — 1K (~1024px) for quick iteration, 2K (~2048px) for standard quality, and 4K (~4096px) for production use
Flexible API key management supporting both command-line arguments and environment variable configuration
PNG output format with customizable filenames, saved directly to the current working directory

Use Cases

Generating placeholder images and visual assets during rapid prototyping or UI development
Editing product photos or marketing visuals without leaving the command line
Creating illustrations for documentation, presentations, or blog posts as part of a content pipeline
Iterating on visual concepts quickly at low resolution before generating final high-quality versions

How It Works

The skill runs a Python script via

uv

that communicates with Google's GenAI client. Users provide a text prompt along with optional parameters for resolution and output filename. For editing workflows, users specify an input image path via the

--input-image

flag and describe the desired modifications. The recommended workflow is to start at 1K resolution for fast feedback, refine the prompt iteratively, then generate the final 4K version.

Getting Started

Ensure Python and the

uv

runner are installed, along with the

google-genai

and

pillow

dependencies. Set a valid Gemini API key either via the

--api-key

argument or the

GEMINI_API_KEY

environment variable. Run with

uv run scripts/main.py --prompt "your description" --resolution 2k

to generate your first image.

Nano Banana Pro

AI Skill Market Insights

Be Part of the 0+ Developer Community

Key Features

Use Cases

How It Works

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