Darwin Skill

Darwin Skill 2.0 (达尔文.skill 2.0): autonomous skill optimizer, v2.0 integrates Microsoft Research SkillLens (arXiv 2605.23899) 9-dim rubric + SkillOpt (arXiv 2605.23904) validation-gated design + human-in-the-loop checkpoints. Evaluates SKILL.md files using a 9-dimension rubric (structure + effectiveness + meta-skill blacklists), runs hill-climbing with git version control, spawns independent judge agents for blind evaluation, validates improvements through test prompts with auto-break on diminishing returns, and generates visual result cards. Use when user mentions "优化skill", "skill评分", "自动优化"

6,727 stars 692 forksResearch & Science

Install

skills CLI (Claude Code, Cursor, Codex and more)
npx skills add alchaincyf/darwin-skill --skill darwin-skill
Manual install
git clone --depth 1 https://github.com/alchaincyf/darwin-skill.git /tmp/darwin-skill
mkdir -p ~/.claude/skills
cp -r /tmp/darwin-skill/. ~/.claude/skills/darwin-skill

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Darwin Skill 2.0

> **v2.1 · 2026-06-10** — keep/revert 棘轮从「绝对分数 delta」改为「**paired 同-judge 比较 + 奇数 N 多数决**」(绝对分数 ±8 judge 噪音淹没保守编辑的真实增益、是 false-revert 源;within-judge 比较消除换尺污染)。绝对分数降级为 triage-only。
> **v2.0 · 2026-05-28** — 吸收 Microsoft Research SkillLens(arXiv 2605.23899)的 9 维评分药方 + SkillOpt(arXiv 2605.23904)的 validation-gated 验证机制 + human in the loop 三层守关。
>
> 借鉴 Karpathy autoresearch 的自主实验循环,对 skills 进行持续优化。
> 核心理念:**评估 → 改进 → 实测验证 → 人类确认 → 保留或回滚 → 生成成果卡片**
> GitHub: https://github.com/alchaincyf/darwin-skill

---

## 设计哲学

autoresearch 的精髓:
1. **单一可编辑资产** — 每次只改一个 SKILL.md
2. **双重评估** — 结构评分(静态分析)+ 效果验证(跑测试看输出)
3. **棘轮机制** — 只保留改进,自动回滚退步
4. **独立评分** — 评分用子agent,避免「自己改自己评」的偏差
5. **人在回路** — 每个skill优化完后暂停,用户确认再继续

与纯结构审查的区别:不只看 SKILL.md 写得规不规范,更看改完后**实际跑出来的效果是否更好**。

---

## 评估 Rubric(9维度,总分100)

> **设计依据**:基于 SkillLens 论文(arXiv 2605.23899)实证发现——LLM-as-judge 评估 skill 质量准确率仅 46.4%(接近随机),加入 meta-skill 三维度后提升到 73.8%。本 rubric 强化 dim3 / dim5 评分标准,新增 dim9「反例与黑名单」,权重平衡到 100。**目的:让评分对真实质量更敏感,减少 LLM judge 的乐观偏差。**

### 结构维度(59分)— 静态分析

| # | 维度 | 权重 | 评分标准 |
|---|------|------|---------|
| 1 | **Frontmatter质量** | 7 | name规范、description包含做什么+何时用+触发词、≤1024字符、**禁结尾加"灵活应用/根据情况判断"等空话尾巴** |
| 2 | **工作流清晰度** | 12 | 步骤明确可执行、有序号、每步有明确输入/输出 |
| 3 | **失败模式编码** | 12 | **必须显式编码失败模式**(写出"如果 X 失败 → Y"的明确分支);有fallback路径、错误恢复;**只写正向流程而不写失败分支扣 ≥3 分**(SkillLens meta-skill 维度) |
| 4 | **检查点设计** | 6 | 关键决策前有用户确认、防止自主失控;**检查点必须显性标记(🔴/STOP/CHECKPOINT),仅靠"如果...建议..."措辞不算** |
Read the full skill on GitHub

Details

Skill name
darwin-skill
License
MIT
Repo updated
18 September 2026

FAQ

What does the Darwin Skill skill do?

Darwin Skill 2.0 (达尔文.skill 2.0): autonomous skill optimizer, v2.0 integrates Microsoft Research SkillLens (arXiv 2605.23899) 9-dim rubric + SkillOpt (arXiv 2605.23904) validation-gated design + human-in-the-loop checkpoints. Evaluates SKILL.md files using a 9-dimension rubric (structure + effectiveness + meta-skill blacklists), runs hill-climbing with git version control, spawns independent judge agents for blind evaluation, validates improvements through test prompts with auto-break on diminishing returns, and generates visual result cards. Use when user mentions "优化skill", "skill评分", "自动优化"

How do I install the Darwin Skill skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add alchaincyf/darwin-skill --skill darwin-skill. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Darwin Skill popular?

It lives in alchaincyf/darwin-skill, which has 6,727 GitHub stars and 692 forks.

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