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This skill assists indie game developers in converting static character assets—such as separated body-part PNGs or atlas spritesheets—into functional 2D skeletal animations. It manages the technical transition from raw art to rigged characters, streamlining the creation of walk cycles and attack animations.
By handling asset analysis and bone rigging, the tool produces Spine-compatible JSON, atlas, and PNG export files. It also generates interactive HTML5 previews via the Spine Web Player to verify animation timing and movement before implementation.
WHO IT'S FOR
Indie game developers
automate 2D character rigging and animation
2D Game Artists
convert static character art to skeletal animations
Technical Artists
generate Spine-compatible export files and previews
Game UI/UX Designers
prototype interactive character animations quickly
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.
In the Claude agent session, have Claude read each script embedded in SKILL.md and write it to /home/claude/spine-scripts/ before running the animation pipeline.
In the Claude agent session, have Claude read each script embedded in SKILL.md and write it to /home/claude/spine-scripts/ before running the animation pipeline.
Replace <asset-directory> with the path to the directory containing the separated body-part PNGs.
Replace <reference-image-path> with the path to the assembled character reference image.
Complete the selected installation option and its documented session setup first.
Using the spine-animation skill, create a Spine skeleton with a simple idle animation from my separated body-part PNGs and assembled reference image. Use <asset-directory> for the body-part images and <reference-image-path> for the assembled reference. Produce the Spine-compatible export files and an interactive HTML5 preview.
Claude
Cursor
Gemini CLI
OpenClaw
Amp