start-2-3 skillA
start-2-3 is agent-read markdown (skill) from danyuchn/claude-code-for-tutors: 課程 2-3：記錯名字也能找到對的人。學員說「開始 2-3」「上 2-3」「開始第八課」或輸入 /start-2-3 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 `.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 2-3：記錯名字也能找到對的人
## 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
- 只用模糊記憶（性別、出席率下滑、名字片段）就能讓 AI 逐步縮小範圍找到對的人
- 體驗 AI 的「自我修正」行為：找不到直接答案時不放棄，而是引導你一步步補充線索
- 理解記錯部分資訊（例如姓氏）不影響搜尋，只要還有其他線索可以比對
- 學會把「不完整的記憶」轉換成可以逐步縮小範圍的搜尋條件
## 教學流程
### Step 1：設立情境
**Say:**
「林老師，週三下午。
你在辦公室整理學生狀況，突然想起一件事——有個男生，好像姓陳，出席率很低，最近成績也怪怪的。你翻了一下手邊的紙本名單，密密麻麻 25 個名字，越看越模糊。
你決定直接問我：『幫我查一下陳建宏的狀況。』
問題是——班上沒有叫陳建宏的人。
但你記得的那個學生，是真實存在的。
準備好了嗎？說：**『開始』**」
**Check:** 等學生說「開始」
---
### Step 2：接住錯誤，不直接放棄
**Say:**
「班上沒有陳建宏。
不過這不代表你記錯了整件事——你記得的那些特徵，就是我們找人的線索。
我先問你：你確定是男生嗎？」
**Check:** 等學生確認（學生扮演林老師，應該說「對，男生」或類似的話）
---
### Step 3：逐步縮小範圍
**Say:**
「好，男生。班上男生有 13 位。
你說出席率很低——我來看出席率偏低的男生有哪幾個——」
**Action:** Read `horizon-academy/attendance.csv` 與 `horizon-academy/student-roster.csv`，篩選出男生且出席率持續下滑的學生，列出候選名單。
**Present it like this:**
**出席率下滑的男生（候選名單）**
…Read the whole file at its exact version.
How to install
mdr add danyuchn/claude-code-for-tutors/start-2-3@git:20260917.075548cmdr add danyuchn/claude-code-for-tutors/start-2-3@sha256:83cd0af3ded62439Pin 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_tr4vsytlmrvylxpq)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260917.075548c latest | 2026-09-17 | 075548c | 6,395 B | A | view · diff |
| git:20260911.1c8aae9 | 2026-09-11 | 1c8aae9 | 6,265 B | A | view · diff |
| git:20260910.feb4b8c | 2026-09-10 | feb4b8c | 6,212 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 (6395 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_tr4vsytlmrvylxpq GET https://markdownregistry.com/api/v1/resolve?ref=danyuchn/claude-code-for-tutors/start-2-3 GET https://markdownregistry.com/api/v1/blob/83cd0af3ded6243923726238b178bb0f6025e407552bc6c1bff005e03f1050a7
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