The "harness-agnostic" topic on GitHub groups 1 open-source project in the DeepSeek Harness (DSH) ecosystem, led by mathmodel-skill with 280 GitHub stars. mathmodel-skill — 三竞赛 (CUMCM/MCM/电工杯) 数学建模 skill — harness-agnostic, 同时支持 Claude Code 与 Codex CLI, 全程问答式 (Friendly Mode), 10 阶段 + 4 反馈层 + per-Qi 加权聚合 + 题型 dim 加权 + empirical 实测分位锚定. Every project here is indexed by DSH Universe with live GitHub data — stars, activity and install status — so you can compare and install directly.