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start-4-2 SKILL.md skillA

start-4-2 from danyuchn/claude-code-for-tutors is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add danyuchn/claude-code-for-tutors/start-4-2@git:20260917.075548c

Pins git:20260917.075548c in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: danyuchn/claude-code-for-tutors
Path: .codex/skills/start-4-2/SKILL.md
Versions recorded: 3
Latest version: git:20260917.075548c, committed Sep 17, 2026
First version recorded: Sep 10, 2026
Size: 15,161 bytes
Repository stars: 29
License: a license file GitHub does not identify

課程 4-2：用 AI 整理 200 份命名混亂的教材。學員說「開始 4-2」「上 4-2」「開始第二十一課」或輸入 /start-4-2 時載入。.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file 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 4-2：用 AI 整理 200 份命名混亂的教材

## 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 可以一次處理大量檔案，不會漏掉、不會累
- AI 會主動發現超出任務範圍的問題（例如互為版本的重複檔案）
- 批量操作的安全原則：先定規則、再預覽、最後才批次執行
- 「先看再做」的安全操作流程，疑似重複的檔案由使用者確認才處理
- 動真的資料前先複製一份備份，因為搬移／改名這類操作沒有復原鍵
- 工作彼此獨立時，可以拆成幾組同時處理，不用一份一份排隊
- 理解派子代理執行的批次改名沒有回頭路（既是搬移層級操作，也是子代理做的），備份是唯一退路

## 教學流程

### Step 1：設立情境

**Say:**

「林老師，下學期備課要開始了。

你打開教材資料夾——200 份檔案。滑了幾下：『英文講義』、『English_worksheet』、『English worksheet v2』……

你想找期中考的複習資料，看到三個看起來很像的檔名：

『期中考複習』
『期中考複習_陳主任修改』
『期中考複習_陳主任修改(1)』

哪一份是最新的？你不確定。打開第一份，再打開第二份，比對一下……200 份，這樣下去要開到什麼時候？

今天我們不是一個一個整理——而是**先定規則，再讓 AI 批次處理**。

準備好了嗎？說：**『開始』**」

**Check:** 等學生說「開始」或類似的話

---

### Step 2：先讓學生說出最頭痛的問題

**Say:**

「先問你一件事——

這批教材，你覺得最讓你頭痛的問題是什麼？找不到東西？不知道哪份是最新的？還是別的？

說給我聽。」

**Check:** 等學生說出一個或幾個困擾

---

### Step 3：診斷問題，讓學生確認說中了

**Say:**
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add danyuchn/claude-code-for-tutors/start-4-2@sha256:02b07dd67b78d23e

The line at the top of this page pins the label git:20260917.075548c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

[![mdr](https://markdownregistry.com/badge/art_yczhh7ts3plgma2l.svg)](https://markdownregistry.com/a/art_yczhh7ts3plgma2l)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 3 versions of this file, between Sep 10, 2026 and Sep 17, 2026, about one every 4 days.

version	committed	commit	size	audit
git:20260917.075548c latest	2026-09-17	075548c	15,161 B	A	view · diff
git:20260911.1c8aae9	2026-09-11	1c8aae9	15,031 B	A	view · diff
git:20260910.feb4b8c	2026-09-10	feb4b8c	14,861 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (15161 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

GitHub

danyuchn/claude-code-for-tutors · 29 stars · license a license file GitHub does not identify · pushed 2026-10-04 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_yczhh7ts3plgma2l
GET https://markdownregistry.com/api/v1/resolve?ref=danyuchn/claude-code-for-tutors/start-4-2
GET https://markdownregistry.com/api/v1/blob/02b07dd67b78d23e1dd8e542bd1a20d8532a00a729f0d7ed0bab14bc40f9e691

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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