This is Claude's interface to an image generation service that works through structured JSON prompts. You describe what you want in a detailed schema (character features, lighting, composition, style references) and it calls a Python script to generate the image. It supports reference images, so you can feed in visual examples and have the prompt reference them directly, which is useful for things like "make this person look like Image 1 but in a Star Wars setting with a vehicle like Image 2." The workflow is a bit verbose with all the JSON structure, but that granularity means you can be specific about things like era, color palette, and negative prompts. Works for characters, scenes, products, whatever needs visualization.
npx skills add https://github.com/bytedance/deer-flow --skill image-generation