How are the generated image files named?

Files are automatically saved using a timestamped format (YYYY-MM-DD-HH-MM-SS-name.png) to ensure unique filenames and chronological organization.

Do I need an API key to use this skill?

Yes, it requires a Gemini API key which can be provided via the --api-key argument or set as a GEMINI_API_KEY environment variable.

Can I edit existing images with this skill?

Yes, you can provide up to 14 reference images using the --input-image flag to guide the model in modifying existing visuals or maintaining consistency.

What resolutions does Nano Banana 2 support?

The skill supports four primary resolution tiers: 512px (for fast drafts), 1K (default), 2K, and 4K (for high-resolution print quality).

What aspect ratios are available?

It supports a wide range of ratios including 1:1, 16:9, 9:16, 21:9, 4:5, and several others to fit standard social media and display formats.

Nano Banana 2 Image Generation

Name: Nano Banana 2 Image Generation
Author: intellectronica

byintellectronica

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232

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デザインツール

Generates and edits high-resolution images using Google's Gemini 3.1 Flash Image Preview API with precise control over resolution and aspect ratios.

Nano Banana 2 is a specialized Claude Code skill designed for high-performance image creation and editing. It leverages Google’s Gemini 3.1 Flash Image Preview API to offer rapid iteration, allowing users to generate new visuals or modify existing ones through reference images. With built-in support for resolutions ranging from 512px thumbnails to 4K print-quality assets and 14 distinct aspect ratios, it provides a professional-grade interface for visual tasks directly within the Claude Code environment, ensuring consistency and precision in automated workflows.

主な機能

01High-resolution image generation from 512px up to 4K

02Comprehensive aspect ratio support including cinematic and mobile formats

03Automated timestamped filename generation for organized asset management

04Multi-reference image editing for character and object consistency

05Fast iteration powered by Gemini 3.1 Flash Image Preview

06232 GitHub stars

ユースケース

01Rapidly prototyping UI/UX assets or high-fidelity mockups

02Ensuring visual consistency across marketing materials using up to 14 reference images

03Generating specific aspect-ratio visuals for social media, cinematic presentations, or banners

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intellectronica/agent-skills nano-banana-2

For use in Claude.ai and ChatGPT

主な機能

01High-resolution image generation from 512px up to 4K

02Comprehensive aspect ratio support including cinematic and mobile formats

03Automated timestamped filename generation for organized asset management

04Multi-reference image editing for character and object consistency

05Fast iteration powered by Gemini 3.1 Flash Image Preview

06232 GitHub stars

ユースケース

01Rapidly prototyping UI/UX assets or high-fidelity mockups

02Ensuring visual consistency across marketing materials using up to 14 reference images

03Generating specific aspect-ratio visuals for social media, cinematic presentations, or banners

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intellectronica/agent-skills nano-banana-2

For use in Claude.ai and ChatGPT