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name: nano-banana-imager description: Use this skill to generate high-quality images, icons, and assets for frontend web development using Gemini 3 Pro.

Nano Banana Imager

Description

This skill leverages the gemini-3-pro-image-preview model to create visual assets on demand. Use this when the user needs:

1. Placeholder images for a website layout.
2. Custom icons or UI assets.
3. Visual ideas generated from text prompts.

Prerequisites:

• google-genai package installed (pip install google-genai).
• GEMINI_API_KEY environment variable set.

Quick Start

1. Define Prompt: Detailed description of the visual style and subject.
2. Generate: Run the script with the prompt and output filename.

Workflows

Workflow 1: Generate Website Placeholders

Use this to fill empty spots in a layout (Hero section, Feature cards, etc.).

1. Identify Requirement: "I need a hero image of a futuristic city."
2. Construct Command:

   Copypython3 scripts/generate_image.py --prompt "A futuristic city skyline at sunset, cyberpunk style, wide angle, high resolution, web design hero image" --output "assets/hero_city.png"
   

3. Execute: Run the command from the skill directory or project root.

Workflow 2: Create UI Icons

Use this to create consistent icon sets.

1. Identify Style: "Minimalist flat blue icons."
2. Construct Command:

   Copypython3 scripts/generate_image.py --prompt "Minimalist flat vector icon of a shopping cart, blue color, white background" --output "assets/icon_cart.png"
   

Reference

• Model: gemini-3-pro-image-preview
• Script: scripts/generate_image.py