skill-quality-scorer

skill-quality-scorer is a skill for Claude Code, Codex from Chris1Wang3/Idea-on-Trial. It costs 124 tokens per session (1,234 once invoked), scanned A, original, MIT.

A rule-based checker for rating Agent Skills, which are instruction files that teach coding agents how to perform tasks. It scores a SKILL.md file across six areas with 30 checks.

In plain words
What is it for?
Use it to audit one skill, compare two skills, or scan a skills directory before release. It produces JSON and Markdown results, using a static check when behavioral test results are unavailable.
Why use it?
It gives a consistent way to find missing or weak parts of a skill instead of relying on informal judgment. It can also show why two skills or a group of skills receive different scores.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to audit one skill, compare two skills, or scan a skills directory before release. It produces JSON and Markdown results, using a static check when behavioral test results are unavailable.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chris1wang3/idea-on-trial/skill-quality-scorer
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Chris1Wang3/Idea-on-Trial --skill skill-quality-scorer
Clone the repo
git clone --depth 1 https://github.com/Chris1Wang3/Idea-on-Trial

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for skill-quality-scorer

README.md
[![agentmods](https://agentmods.dev/badge/skills/chris1wang3/idea-on-trial/skill-quality-scorer/github.svg)](https://agentmods.dev/skills/chris1wang3/idea-on-trial/skill-quality-scorer)
Your own site
<a href="https://agentmods.dev/skills/chris1wang3/idea-on-trial/skill-quality-scorer"><img src="https://agentmods.dev/badge/skills/chris1wang3/idea-on-trial/skill-quality-scorer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for skill-quality-scorer

Your own site · 80×15
<a href="https://agentmods.dev/skills/chris1wang3/idea-on-trial/skill-quality-scorer"><img src="https://agentmods.dev/badge/skills/chris1wang3/idea-on-trial/skill-quality-scorer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 124 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,234 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00124 $0.01234
Opus 5 $0.00062 $0.00617
Sonnet 5 $0.00025 $0.00247
Haiku 4.5 $0.00012 $0.00123

Measured 11d ago against content hash 3ff1f6067ff7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

skill-quality-scorer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/static_audit.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skill-quality-scorer/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill Quality Scorer · 技能质量评分器

EN TRACE+ (T-R-F-S-I-E) × 30 sub-items · static script first · formula score · JSON + Markdown.
中文 TRACE+ 六维 30 子项 · 先 static_audit · 公式算分 · JSON + Markdown。

When / 何时用: 迭代没方向 · 对标同类 · 发布前自检 · 批量评 skills/
Not / 不用: 从零写 Skill · 替代 skill-eval 行为实验(E 维默认 static_proxy

Score portfolio-doctor with TRACE+ — where vs skill-reviewer?
给 portfolio-doctor 做 TRACE+ 全维评分。

可直接触发的说法

以下口语输入都应触发本技能:

  • 给这个 skill 打分。
  • 看看这个技能哪里不符合规范。
  • 用 TRACE+ 评一下这个 SKILL.md。
  • 这两个技能哪个质量更高?
  • 批量扫一下这个 skills 目录。
  • SkillHub 分数低,帮我找提分项。
  • 和 skill-reviewer 差在哪?

最小可用输入

最低可启动:一个目标 skill 目录,或一个 SKILL.md 文件路径。

推荐输入:目标路径、评分模式(单个/A vs B/批量)、是否有行为评测结果、期望输出格式(JSON / Markdown / 两者)。

可兼容输入

  • 只给目录:自动定位目录下 SKILL.md
  • 只给父目录:按批量模式逐个扫描子目录。
  • 只给两条路径:按 A vs B 对比模式。
  • 没有 behavior eval:E 维使用 static_proxy,E3 不强行给满。

评测模式

模式 输出
单个 JSON + Markdown(audit-playbook
A vs B 两份 JSON + 分差表 + 推荐
批量 汇总表 + 各 skill 简评

评分前先确认输出格式:JSONMarkdown两者。用户未指定时,默认输出 JSON + Markdown。

对比/批量:同一 rubric v2,不得换公式或跳过子项。

工作流

1) 定位 skill 目录(对比/批量则逐个重复 2–6)
2) python scripts/static_audit.py "<skill-dir>" → auto_scores(不可改分)
3) Read scoring-engine-deterministic.md → 30 子项 evidence
4) Read 目标 SKILL.md + 链接的 references/scripts
5) composite = round((T+R+F+S+I+E)×100/60, 1) → 评级 + Verdict
6) 按 audit-playbook 输出(含 F 维触发测试各 ≥3 条)

评级 / Verdict / 30 子项定义 / JSON schema → scoring-engine-deterministic.md

硬约束

  1. 先脚本后 rubric;auto_scores 只补 evidence 不改分
  2. 30 子项逐项 evidence;禁止旧公式 (T+R+A+C+E)×2
  3. E 维默认 static_proxy;有 skill-eval 时切换 behavioral_eval
  4. Rigid:子项、公式、Verdict 不可改 · Flexible:evidence 表述、Top 修复排序

验收与失败路径

  • 路径不存在:先要求用户提供正确路径,不得凭名称臆测
  • 缺少 SKILL.md:判定目标不是标准 skill 包,输出结构问题而非强行评分
  • 批量模式:每个 skill 必须使用同一 rubric v2 和同一公式
  • 无行为评测:明确标注 effectiveness_mode: static_proxy
  • 完成标准:JSON 算术校验通过,Markdown 报告含 Top 修复项和触发测试

Read the full file on GitHub · 100 lines

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 100 lines · 124 tokens per session scan A 3ff1f6067ff7

Subscribe to this mod's changes

skill-quality-scorer is a skill published in the GitHub repository Chris1Wang3/Idea-on-Trial (4 stars, last pushed 23d ago), licensed MIT. It adds 124 tokens to every session and 1,234 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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