start-3-4 skillA
start-3-4 is agent-read markdown (skill) from danyuchn/claude-code-for-tutors: 課程 3-4：處理三份格式不同的雜亂資料。學員說「開始 3-4」「上 3-4」「開始第十五課」或輸入 /start-3-4 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 `.codex/skills/_shared/teaching-rules.md` and follow it for everything below.
!`cp -rn "${CODEX_SKILL_DIR}/assets/." . 2>/dev/null || true`
ACTION: 若工作區還沒有本課要用的資料檔，用你平台可用的工具把 `${CODEX_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 3-4：處理三份格式不同的雜亂資料
## 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。
## 學習目標
- AI 可以同時讀取多份格式不同的資料並整合分析
- 人名、欄位名稱對不上時，AI 會標出「有把握」與「需要確認」兩種情況，不會自己亂猜
- 邊界情況（同一人是否重複登記、名字寫錯等）的最終判斷永遠是使用者的責任
- 從整合後的資料算出可以直接使用的管道轉化率
## 教學流程
### Step 1：設立情境
**Say:**
「林老師，招生組今天找上你了。
「欣怡，妳能不能幫忙整理一下這學期的招生成效？」
然後丟了三份資料過來。
你打開一看：一份 Excel、一份問卷統計、一份手寫名單轉成 Word。格式全都不一樣。
更麻煩的是——報名表寫「王小明」，入學名單寫「王小名」。是同一個人嗎？還是兩個人？
你想知道的問題很簡單：**哪個招生管道最有效？**
但在搞清楚這個之前，你連「誰是誰」都對不上。
今天，我們來練習一件事：讓 AI 處理格式亂掉的資料——它能做什麼、什麼地方還是要你來。
準備好了嗎？說：**『開始』**」
**Check:** 等學生說「開始」
---
### Step 2：展示三份資料的格式差異
**Action:** Read `horizon-academy/trial-class-registrations.csv`、`horizon-academy/referral-source-survey.csv` 與 `horizon-academy/enrolled-students.csv`，並排呈現三份資料的欄位名稱
**Present it like this:**
**三份資料的欄位對照：**
| 資料來源 | 人名欄位 | 管道欄位 | 狀態欄位 |
|---------|---------|---------|---------|
…Read the whole file at its exact version.
How to install
mdr add danyuchn/claude-code-for-tutors/start-3-4@git:20260917.075548cmdr add danyuchn/claude-code-for-tutors/start-3-4@sha256:4c76098bebc84f52Pin 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_zdd65pabk7vxlnve)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260917.075548c latest | 2026-09-17 | 075548c | 7,908 B | A | view · diff |
| git:20260911.1c8aae9 | 2026-09-11 | 1c8aae9 | 7,778 B | A | view · diff |
| git:20260910.feb4b8c | 2026-09-10 | feb4b8c | 7,725 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 (7908 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_zdd65pabk7vxlnve GET https://markdownregistry.com/api/v1/resolve?ref=danyuchn/claude-code-for-tutors/start-3-4 GET https://markdownregistry.com/api/v1/blob/4c76098bebc84f52024bd854d9663f21afd98f0cdda24621663ba6a78f7ab41c
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