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nano-banana-prompting

Transform natural language image requests into structured JSON prompts for Gemini 3 Pro Image.

Updated Apr 24, 2026
Search Tags:#gemini#prompting#prompt#structured-prompt#image-prompt
One-click install
npx skills add https://github.com/Skobyn/g.c.l.a.w --skill nano-banana-prompting-skobyn
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nano-banana-prompting
Source: https://github.com/Skobyn/g.c.l.a.w/tree/main/skills/nano-banana-prompting
Command: npx skills add https://github.com/Skobyn/g.c.l.a.w --skill nano-banana-prompting-skobyn

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Transforms natural language image requests into optimized structured prompts that produce dramatically better results with Gemini 3 Pro Image.

Core Features & Use Cases

  • Detects style (cinematic, illustration, anime, 3D, watercolor, product) and builds a structured JSON prompt
  • Outputs a ready-to-pass prompt for image generation tools
  • Use Case: when an agent receives a simple phrase like "a gecko on a skateboard" it returns a detailed, camera-lens-laden prompt ready for Gemini

Quick Start

Ask the agent to generate an image with a simple prompt and the skill will return a structured JSON prompt ready for Gemini.

Frequently Asked Questions about nano-banana-prompting

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

FAQPage Schema
How do I create structured prompts for Gemini image generation?▼

A simple natural language request can be transformed into a structured JSON prompt optimized for Gemini 3 Pro Image by detecting style, adding camera details, and outputting a ready-to-pass string.

What is a structured image prompt and why do I need it?▼

A structured image prompt is a JSON string containing detected style and camera lens details. It is needed to produce dramatically better and more consistent results with Gemini 3 Pro Image generation.

How do I convert a simple text phrase into a detailed image prompt?▼

You convert a text phrase by passing it to an agent with this skill enabled. The skill detects styles like cinematic or anime, builds a detailed JSON prompt, and calls the image tool with this optimized string.

Do I need an API key to use structured prompts for Gemini?▼

Yes, you need a GEMINI_API_KEY or Vertex ADC and access to image generation tools. These prerequisites allow the agent to successfully call the image tool and generate the final visual output.

Can I generate specific visual styles like anime or 3D using text prompts?▼

Yes, you can generate specific styles because the skill automatically detects styles including cinematic, illustration, anime, 3D, watercolor, and product. It then builds a tailored JSON prompt to match.

What is the best way to format image prompts for Gemini 3 Pro Image?▼

The best way to format image prompts for Gemini 3 Pro Image is using a structured JSON string. This format ensures all camera lens and style parameters are correctly interpreted by the image tool.

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