nano-banana-prompting-skill
Installation
SKILL.md
Gemini Image Prompting
This skill transforms simple, natural image requests into optimized structured prompts that produce dramatically better results from Gemini 3 Pro Image.
Instead of sending a plain text prompt (which produces generic, "AI slop" results), this skill builds a structured JSON prompt with the right technical details for the detected style — camera specs for photography, art techniques for illustration, render settings for 3D, and more.
How to Use
When the user asks you to generate or edit an image:
- Read the user's request — understand what they want (subject, mood, style)
- Detect the style — use the Style Detection rules below
- Build the structured JSON prompt — follow the template for that style
- Call the generator: