Anatomy Skill turns one prompt into narrated interactive explainers for ~1% of a Claude Max weekly budget
数字生命卡兹克 · wechat · 2026-10-15
A hands-on review of the viral Claude Skill "Anatomy" ("the object is the explanation"), which turns abstract concepts into fine, interactive, disassemblable mechanical animations—a working watch movement, a quarter-sectioned Rolls-Royce Trent 970 engine. Install by asking your agent for github.com/wheresryan22/anatomy, or just prompt /anatomy explain how a mechanical watch keeps time, interactive.
- The author's twist: animations alone don't teach beginners, so he has the model extend them into narrated explainer videos—Opus 5.5 at high reasoning produced watch mechanics, GPU internals, and TCP three-way-handshake videos in one shot, with meshing gears, sound effects, and synced highlights.
- Cost is tiny: a 5-minute video used about 1% of a $200 Claude Max weekly budget; Sonnet 5.5 suffices for self-study. The tradeoff is time—roughly 1.5 hours per 5-minute video on Opus 5.5 Ultra, because the author deliberately made the skill slow to favor real detail over guesses (it even tried to actually train a small model to explain Transformers and got blocked).
- The piece frames this via Karpathy's ladder of AI explanations—simplified language, diagrams, interactive pages, bespoke videos—and argues on-demand learning materials change how we satisfy curiosity. Caveat: verify technical details.
Related event: Open-Source Anatomy Skill Goes Viral for One-Prompt Explainer Videos(4 posts)→
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