Marble Skill Taxonomy (withmarbleapp/os-taxonomy)
Summary
Marble Skill Taxonomy is an open, structured dataset cataloging micro-topics across subjects with prerequisites and curriculum alignment. The data is stored in JSON files under data/, with licenses including ODbL 1.0 and CC BY-SA 4.0, and exposes a graph-based approach to learning content. The project provides tooling and provenance information to validate usage and attribution.