sathyarajshetigar

Spine CLI — Development skill for Claude Code

Development community

Build, preview and export Spine 2D animations from the command line, with an agent skill for Claude Code, Codex, Cursor and more.

How to install Spine CLI

This entry records only its repository, not the path inside it, so there is no exact command to give. Open sathyarajshetigar/spine-cli and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Spine CLI does

Build, preview and export Spine 2D animations from the command line, with an agent skill for Claude Code, Codex, Cursor and more.

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README

spine-cli

**Build, preview and export [Spine](https://esotericsoftware.com/) 2D animations from the command line, or let your AI coding agent do it.**

`spine` is a command-line interface for the Spine animation editor, built with the [CLI-Anything](https://github.com/HKUDS/CLI-Anything) approach. It edits skeletons, rigs and animations directly, renders previews you can actually look at, measures the result against your mockup, and exports runtime-ready files (including spine-unity). It ships with an **agent skill** that teaches Claude Code, Codex, Cursor, Pi and 70+ other agents how to use it to make polished animations.

spine project new hero --fps 30 --images ./art
spine part add body --at 0,120
spine animation add idle
spine animation wave idle body translate --amplitude 0,4 --period 2   # seamless breathing bob
spine preview render idle --loop                                      # contact sheet + GIF + motion map
spine export data Export --unity                                      # .skel.bytes + .atlas.txt + pages

Why

The Spine editor is a GUI. Its own command line can only import, export and pack atlases, so neither scripts nor AI agents can build or edit animations with it. `spine-cli` fills that gap:

	Without spine-cli	With spine-cli
Rigging & keys	Click through the editor, or hand-write skeleton JSON blind	`part add`, `bone add`, `animation key` … validated, with undo/redo
Motion	Hand-keyed, often linear and stiff	`animation wave` (seamless loops) and `animation ease` (overshoot, bounce, elastic, staggered cascades)
Iteration	Rebuild by hand	Rig and animations live in plain-text `run` files; `spine run build.txt` rebuilds everything in one step
Seeing the result	Open the editor and scrub	`preview render`: contact sheet, GIF, motion map, plus warnings for pops, loop seams and parts that never move
Matching a mockup	Eyeball it	`preview compare` / `mea