imagen

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Generate images using Google Gemini's image generation capabilities. Use this skill when the user needs to create, generate, or produce images for any purpose including UI mockups, icons, illustrations, diagrams, concept art, placeholder images, or visual representations.

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Sourcesanjay3290/ai-skills

Added on2026-02-04

NPX Install

npx skill4agent add sanjay3290/ai-skills imagen

SKILL.md Content

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Imagen - AI Image Generation Skill

Overview

This skill generates images using Google Gemini's image generation model (

gemini-3-pro-image-preview

). It enables seamless image creation during any Claude Code session - whether you're building frontend UIs, creating documentation, or need visual representations of concepts.

Cross-Platform: Works on Windows, macOS, and Linux.

When to Use This Skill

Automatically activate this skill when:

User requests image generation (e.g., "generate an image of...", "create a picture...")
Frontend development requires placeholder or actual images
Documentation needs illustrations or diagrams
Visualizing concepts, architectures, or ideas
Creating icons, logos, or UI assets
Any task where an AI-generated image would be helpful

How It Works

Takes a text prompt describing the desired image
Calls Google Gemini API with image generation configuration
Saves the generated image to a specified location (defaults to current directory)
Returns the file path for use in your project

Usage

Python (Cross-Platform - Recommended)

bash

# Basic usage
python scripts/generate_image.py "A futuristic city skyline at sunset"

# With custom output path
python scripts/generate_image.py "A minimalist app icon for a music player" "./assets/icons/music-icon.png"

# With custom size
python scripts/generate_image.py --size 2K "High resolution landscape" "./wallpaper.png"

Requirements

```
GEMINI_API_KEY
```
environment variable must be set
Python 3.6+ (uses standard library only, no pip install needed)

Output

Generated images are saved as PNG files. The script returns:

Success: Path to the generated image
Failure: Error message with details

Examples

Frontend Development

User: "I need a hero image for my landing page - something abstract and tech-focused"
-> Generates and saves image, provides path for use in HTML/CSS

Documentation

User: "Create a diagram showing microservices architecture"
-> Generates visual representation, ready for README or docs

UI Assets

User: "Generate a placeholder avatar image for the user profile component"
-> Creates image in appropriate size for component use