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imagen

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.

Author

@sickn33

Category

Image Processing

Install

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Imagen - AI Image Generation Skill

Overview


Imagen is an AI image generation skill built specifically for Claude Code. By calling Google Gemini’s image generation model, it lets you generate the images you need directly while coding—without switching to other tools.

Use Cases

  • Frontend Development

    • When building websites or apps, you often need quick placeholder images, hero images, or demo assets—without waiting for designers to provide resources.

  • Documentation Writing

    • Generate illustrative diagrams, architecture diagrams, or concept illustrations for technical documentation, READMEs, or blog posts to make your documents clearer and easier to understand.

  • UI Asset Creation

    • Create app icons, first-draft Logos, user avatar placeholder images, and other UI elements to speed up the prototyping process.

    Core Features

  • Text-to-Image Generation

    • Provide a simple text description to generate the corresponding AI image. It supports natural-language prompts, with no need for professional drawing skills.

  • Cross-Platform Support

    • Implemented using Python standard libraries, with no additional dependencies. It runs directly on Windows, macOS, and Linux.

  • Flexible Output Control

    • Supports custom output paths and image sizes (e.g., 2K resolution). Generated images are saved in PNG format, making them easy to use directly in your projects.

    FAQ

    Which operating systems does the Imagen skill support?


    Imagen supports the three major operating systems: Windows, macOS, and Linux. As long as you have an environment that can run Python 3.6+, it can be used.

    How do I configure the Gemini API Key?


    Set the environment variable GEMINI_API_KEY. After configuring your Google Gemini API key, you can use it. To get an API key, apply via the Google Cloud Console or the Gemini API website.

    What format are the generated images in?


    All generated images are saved by default in PNG format, a widely supported image format that can be used directly in webpages, documents, or other projects.

    Can I customize the image size?


    Yes. Use the --size parameter to specify the resolution. For example, --size 2K generates high-resolution images suitable for scenarios requiring clearer visuals.

    Is the Imagen skill free to use?


    The Imagen skill itself is open-source and free, but it uses the underlying Google Gemini API. Using it incurs API call fees; refer to Google Cloud’s pricing for the specific billing details.