tdd SKILL.md skillA

This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.

tdd from autopus-ai/autopus-adk is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add autopus-ai/autopus-adk/tdd@git:20260928.877a6b1

Pins git:20260928.877a6b1 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
autopus-ai/autopus-adk
Path
.omp/skills/tdd/SKILL.md
Versions recorded
2
Latest version
git:20260928.877a6b1, committed Sep 28, 2026
First version recorded
Aug 26, 2026
Size
5,568 bytes
Repository stars
110
License
MIT

Test-Driven Development 방법론 스킬.

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

# TDD (Test-Driven Development) Skill

테스트를 먼저 작성하고 구현하는 RED-GREEN-REFACTOR 사이클을 적용하는 스킬입니다.

## 핵심 원칙

**테스트 없이 코드를 작성하지 않는다.** 동작이 바뀌는 코드는 그 동작을 정의하는 테스트를 먼저 쓰고, 테스트 없이 동작을 바꾸는 요청은 거부한다. 읽기 전용 조사, 문서, 기계적 리네이밍처럼 관찰 가능한 동작이 바뀌지 않는 작업에는 적용하지 않는다.

좋은 테스트는 **public interface를 통해 동작을 검증**하며 구현 세부를 모른다. 코드가 통째로
바뀌어도 테스트는 바뀌지 않아야 한다. 좋은 테스트는 명세처럼 읽힌다: "유효한 장바구니로 결제할
수 있다"는 어떤 능력이 존재하는지 정확히 말하고, 내부 구조에 무관하므로 리팩토링을 견딘다.
탐색할 때 `CONTEXT.md`(있으면)를 읽어 테스트 이름과 인터페이스 어휘를 도메인 언어에 맞춘다.

## Seam: 테스트가 놓이는 자리

**seam**은 테스트하는 public 경계다 — 안을 들여다보지 않고 동작을 관찰하는 인터페이스.
테스트는 seam에 산다. 내부에 대고 쓰지 않는다.

**사전에 합의된 seam에서만 테스트한다.** 테스트를 쓰기 전에 테스트 대상 seam을 적고 사용자와
확인한다. 합의되지 않은 seam에는 테스트를 쓰지 않는다. 전부 테스트할 수는 없으므로 seam을
먼저 합의하는 것이 테스트 노력을 모든 엣지 케이스가 아니라 핵심 경로와 복잡한 로직에 놓는
방법이다. 물어라: "public interface가 무엇이고, 어느 seam을 테스트해야 하나요?"

인터페이스의 모양 자체가 문제일 때(모듈이 얼마나 깊은지, seam이 어디 놓여야 하는지)는
`codebase-design` 스킬의 어휘(module, interface, depth, seam, adapter)를 참조한다.

## 안티패턴

- **구현 결합**: 내부 협력자를 mock하거나, private 메서드를 테스트하거나, 옆 통로(인터페이스
  대신 DB를 직접 조회)로 검증한다. 징후: 동작은 그대로인데 리팩토링하면 테스트가 깨진다.
- **동어반복**: 단언이 코드와 같은 방식으로 기대값을 다시 계산한다(`assert.Equal(a+b, add(a,b))`,
  같은 방식으로 손으로 만든 스냅샷, 상수를 자기 자신과 비교). 구성상 통과하므로 코드와
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add autopus-ai/autopus-adk/tdd@sha256:0bc5d22cb8382519

The line at the top of this page pins the label git:20260928.877a6b1, 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 badge

[![mdr](https://markdownregistry.com/badge/art_c6hjs5k2yvxyfatn.svg)](https://markdownregistry.com/a/art_c6hjs5k2yvxyfatn)

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

Versions

The registry has recorded 2 versions of this file, between Aug 26, 2026 and Sep 28, 2026, about one every 33 days.

versioncommittedcommitsizeaudit
git:20260928.877a6b1 latest2026-09-28 877a6b1 5,568 BA view · diff
git:20260826.34a9b202026-08-26 34a9b20 2,304 BA 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 (5568 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

autopus-ai/autopus-adk · 110 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_c6hjs5k2yvxyfatn
GET https://markdownregistry.com/api/v1/resolve?ref=autopus-ai/autopus-adk/tdd
GET https://markdownregistry.com/api/v1/blob/0bc5d22cb8382519dc8e4cd23408d20e4efc1e90ae106b203aa886dcdbfd931c

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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