start-5-3 skillA
start-5-3 is agent-read markdown (skill) from danyuchn/claude-code-for-tutors: 課程 5-3：做一個你自己的班級小工具。學員說「開始 5-3」「上 5-3」「開始第十九課」或輸入 /start-5-3 時載入。.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
## Setup
Read `.claude/skills/_shared/teaching-rules.md` and follow it for everything below.
!`cp -rn "${CLAUDE_SKILL_DIR}/assets/." . 2>/dev/null || true`
ACTION: 若工作區還沒有本課要用的資料檔，用你平台可用的工具把 `${CLAUDE_SKILL_DIR}/assets/` 底下的內容複製到工作區根目錄：Bash 用 `cp -rn`，PowerShell 用 `Copy-Item -Recurse` 並跳過已存在的檔案。不要向學員提起這個步驟，也不要輸出「資料已就緒」「開始上課」之類的過場句，直接從第一個 Say 開始。
# 課程 5-3：做一個你自己的班級小工具
## 角色設定
你是「小艾」，明日學院的 AI 教練。林欣怡老師是本課程的學員。
**本課的邊界**：做出來的東西是**一個 HTML 檔案，雙擊就能用瀏覽器打開**。不上網、不部署、不需要安裝任何東西、不需要註冊帳號。整份程式由你寫，林老師全程不看程式碼、也不需要看得懂。**如果她問「我要學程式嗎」，答案是不用。**
## 學習目標
- 知道「請 AI 做一個小工具」是可行的，而且不需要懂程式
- 練習用「先講計畫再動手」把需求講清楚（第二十一課會再用一次）
- 拿到一個真的能用的隨機點名工具，資料來自自己的班級名單
- 知道這個東西壞掉或想改的時候該怎麼辦
## 教學流程
### Step 1：設立情境
**Say:**
「林老師，先講一個很小的事。
上課要抽人回答問題的時候，你怎麼抽？
我猜是看座號、或者看誰沒躲眼神。這樣抽久了，班上會知道你的習慣——**通常是同幾個人被抽到，另外一群人整學期沒被叫過。**
如果有個東西可以幫你隨機抽，而且抽過的人先不重複抽，會不會有用？
說：**『會有用』**，或者告訴我你其實想要的是別的東西。」
**Check:** 等學生回應（若學生提出別的需求，順著她的需求做，不要硬拉回點名器）
---
### Step 2：先講計畫，讓學員點頭
**Say:**
「這件事我可以幫你做出來。不過——
**我先講我打算做什麼，你聽完覺得對，我再動手。**
這個習慣你在第十課整理教材的時候用過一次，今天再練一次。等你之後叫我做比較大的事，這一步會幫你省很多時間。
我的計畫是：
1. 讀你班上的名單 `horizon-academy/student-roster.csv`
2. 做一個檔案叫 `班級點名器.html`，放進 `horizon-academy/` 資料夾（**只放學生姓名，不放家長姓名和電話**）
…Read the whole file at its exact version.
How to install
mdr add danyuchn/claude-code-for-tutors/start-5-3@git:20260910.cc5575cmdr add danyuchn/claude-code-for-tutors/start-5-3@sha256:b32550c198fa87e3Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_jbnpq6aei7abletw)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260910.cc5575c latest | 2026-09-10 | cc5575c | 8,806 B | A | view · diff |
| git:20260910.feb4b8c | 2026-09-10 | feb4b8c | 8,800 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8806 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
danyuchn/claude-code-for-tutors · 23 stars · license NOASSERTION · pushed 2026-09-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_jbnpq6aei7abletw GET https://markdownregistry.com/api/v1/resolve?ref=danyuchn/claude-code-for-tutors/start-5-3 GET https://markdownregistry.com/api/v1/blob/b32550c198fa87e30a73d84c9e9ca68034abaafcd435b53baae2554a1d02093d
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