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Sprite-gen provides a structured pipeline for generating game sprites and images using GPT or Grok. It assists 2D developers and pixel artists by handling the technical overhead of asset production, from initial image generation to engine-ready exports.
The tool streamlines repetitive art tasks such as palette swapping, chroma removal, and the creation of repeating backgrounds. It also supports transforming still images into video clips and organizing assets into animation atlases for game engine integration.
Compatible AgentsThe repository documents support for these agents. The skills may also work with other agents that can load SKILL.md files, but they may need some setup or small changes.
Path to one base character image, replacing `<path-to-base-image>`.
Desired motion states, if already known.
Available generation provider or credentials.
Use the sprite-gen skill to turn my base character image into a small runtime sprite atlas using its default component-row workflow. Ask me for any missing provider or motion choices, preserve the character's identity, extract clean transparent frames, and produce the sprite sheet with its machine-readable manifest. Base image: <path-to-base-image>.
Use the sprite-gen skill to generate one image from this description: <image-description>. Ask me for any missing provider choice before generation and return the resulting file without creating sprites or video.
Use the sprite-gen skill to animate this still image into one short, seamless transparent motion loop: <path-to-still-image>. The desired motion is <motion-description>. Check that `ffmpeg`, `img2webp`, and my own `grok` CLI login or `XAI_API_KEY` are available, then ask for any remaining provider or motion choices.
Claude
Codex
Grok