The "mechanical-engineering" topic on GitHub groups 1 open-source project in the DeepSeek Harness (DSH) ecosystem, led by mech-drawing-reader. mech-drawing-reader — DSH skill: read Chinese/ISO mechanical drawings into an evidence-anchored annotation document plus structured JSON (dimensions, tolerances, BOM). Every project here is indexed by DSH Universe with live GitHub data — stars, activity and install status — so you can compare and install directly.