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Test-first development, one step at a time v1.0.0

Use this resource to build a feature by writing a failing test first

New

  • 354 downloads
  • 150 likes
  • 204 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install test-first-red-green-loop

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent works in small red-then-green cycles at seams agreed in advance. You get code checked by tests that really failed before the implementation.

Mostly picked by

Updated November 2, 2026

Card for the “Test-first development, one step at a time” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: working loop, rules and the case with no suitable seam
  • SKILL.md: expected output format for each cycle

Good fit for

  • You add business logic that must be covered from the start
  • You want to avoid after-the-fact tests that only confirm the code

Not for

    Tags

    • tdd
    • tests
    • red green
    • development

    About

    You say

    “Add the discount rule one test at a time, starting with the failing test.”

    Card for the “Test-first development, one step at a time” skill

    Skill published by yeachan-heo under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to build a feature by writing a failing test first
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md2.1 KB

    Origin and licence

    Listed unmodified

    Author
    yeachan-heo
    Source
    github.com/yeachan-heo/oh-my-claudecode/tree/e10206d8789b0ac4e5214eddbfbd203c1b757dea/skills/tdd
    Licence
    MIT

    Notice

    « tdd » (yeachan-heo, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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