nano-banana-pro

Generate or edit images with Gemini 3 Pro Image and save PNG outputs.

Updated Jan 31, 2026
One-click install
npx skills add https://github.com/zyj18860969891-byte/openclaw-railway --skill nano-banana-pro-zyj18860969891-byte
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nano-banana-pro
Source: https://github.com/zyj18860969891-byte/openclaw-railway/tree/main/skills/nano-banana-pro
Command: npx skills add https://github.com/zyj18860969891-byte/openclaw-railway --skill nano-banana-pro-zyj18860969891-byte

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires google-genai>=1.0.0, pillow>=10.0.0, and includes scripts (resource) components.

What problem does it solve?

Generating or editing images often requires manual iterations; this skill uses Gemini 3 Pro Image to speed up visual creation and refinement.

Core Features & Use Cases

  • Generate new images from text prompts with configurable resolutions (1K, 2K, 4K) and automatic saving.
  • Edit existing images by providing input images and a guiding prompt (up to 14 images supported).
  • Output quality-focused visuals suitable for concept art, product visuals, and social media assets.

Quick Start

Provide a descriptive prompt to generate or edit an image using Gemini 3 Pro and save the result.

Frequently Asked Questions about nano-banana-pro

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate high-resolution AI images from text prompts using Gemini?▼

To generate high-resolution AI images from text prompts using Gemini, provide a descriptive prompt to the skill and select your desired output resolution of 1K, 2K, or 4K. The skill uses Gemini 3 Pro Image to create the visual and automatically saves the result as a PNG file.

Can I edit multiple existing images at once with a text prompt?▼

Yes, you can edit multiple existing images at once by providing up to 14 input images along with a guiding text prompt. Gemini 3 Pro Image processes the batch to refine your visuals and automatically saves the outputted PNG files.

Do I need an API key to generate images with Gemini 3 Pro?▼

Yes, you need a GEMINI_API_KEY to authenticate and generate images with Gemini 3 Pro. You can set this environment variable directly or override it by passing an --api-key argument when running the script.

What is the best way to streamline creative workflows for social media assets?▼

The best way to streamline creative workflows for social media assets is using Gemini 3 Pro Image to quickly generate or edit visuals from text prompts. This automated approach outputs quality-focused PNG files at 1K, 2K, or 4K resolutions suitable for immediate use.

What are the limitations when editing images with Gemini 3 Pro?▼

A key limitation when editing images with Gemini 3 Pro is the maximum batch size of 14 input images per task. Additionally, all generated or edited outputs are constrained to PNG format at 1K, 2K, or 4K resolutions, requiring a valid GEMINI_API_KEY for processing.