Can I edit an existing image with this tool?

Absolutely. By using the --input-image parameter and providing instructions in your prompt, you can modify, alter, or enhance existing image files.

What resolutions are supported by Nano Banana Pro?

The skill supports three primary resolutions: 1K (approx. 1024px), 2K (approx. 2048px), and 4K (approx. 4096px) for high-definition output.

How are the generated images named?

The skill automatically generates organized filenames using the format yyyy-mm-dd-hh-mm-ss-description.png to ensure your assets are easy to find.

Do I need an API key to use this skill?

Yes, it requires a valid Gemini API key. You can provide it via the --api-key argument or by setting the GEMINI_API_KEY environment variable.

Nano Banana Pro Image Generator

Name: Nano Banana Pro Image Generator
Author: intellectronica

byintellectronica

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195

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Design Tools

Generates and edits high-resolution images using Google's Gemini 3 Pro Image API directly within your terminal environment.

Nano Banana Pro is a specialized image manipulation skill for Claude Code that leverages the power of Google's Gemini 3 Pro Image API. It allows developers to create stunning visuals from text prompts or perform complex edits on existing images using natural language instructions, such as changing backgrounds or adding specific elements. With built-in support for resolutions ranging from standard 1K to ultra-high 4K, it streamlines the process of generating UI assets, placeholders, and marketing materials without ever leaving the command line.

Key Features

01Automatic timestamped filename generation for organized workflows

02Text-to-image generation from natural language prompts

03Configurable resolution support (1K, 2K, and Ultra 4K)

04195 GitHub stars

05Direct integration with Gemini API for professional-grade results

06Advanced image-to-image editing for modifying existing files

Use Cases

01Modifying existing assets like changing backgrounds or adding elements via CLI

02Generating UI placeholders or website hero images during development

03Creating high-resolution 4K visuals for technical documentation and marketing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intellectronica/agent-skills nano-banana-pro

For use in Claude.ai and ChatGPT

Download Skill