nanobanana-prompt

This skill should be used when the user asks to "generate image", "create image with nanobanana", "write image prompt", "make icon/pattern/sticker", or "image generation". Crafts effective prompts for nanobanana MCP with Gemini Imagen.

Stars 163

Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/nanobanana-prompt

SKILL.md

Nanobanana Image Generation

Generate high-quality images using nanobanana MCP with Gemini Imagen.

Core Principle

"Describe the scene, don't just list keywords."

Use narrative, descriptive paragraphs with rich context and specific details.

Prompt Workflow

1. Clarify Requirements

Use AskUserQuestion to gather:

Purpose: website, social media, product, illustration
Style: photorealistic, illustrated, stylized, minimalist
Elements: subject, composition, colors, mood, lighting
Specs: aspect ratio, background (transparent/solid)
Text: exact wording, font style (if applicable)

2. Select Strategy

Use Case	Strategy	Reference
Marketing photos	Photorealistic	`references/strategies.md`
Icons, stickers	Stylized	`references/strategies.md`
Logos, posters	Text Rendering	`references/strategies.md`
E-commerce	Product Mockups	`references/strategies.md`
Banners	Minimalist	`references/strategies.md`
Comics	Sequential Art	`references/strategies.md`

3. Craft Prompt

Apply these principles:

Hyper-specificity: Detail trumps brevity
Context: Explain intended purpose
Semantic positivity: Describe what you want, not what to avoid
Cinematic language: Use photography/artistic terminology

4. Generate & Iterate

nanobanana generate image mcp or nanobanana edit image mcp.

Collect feedback with AskUserQuestion and refine.

Quick Checklist

Purpose and context defined
Visual style specified
Key elements described (subject, lighting, mood)
Technical specs included (if needed)
Narrative description (not keyword list)

References

Detailed strategies: references/strategies.md
Prompt examples: references/EXAMPLE.md
Setup & troubleshooting: references/setup.md

Search patterns:

Photorealistic: grep "Photorealistic" references/EXAMPLE.md
Illustrations: grep "Illustration" references/EXAMPLE.md
Product shots: grep "Product" references/EXAMPLE.md