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Develop by writing the tests first v1.0.0

Use this resource to build a feature by writing the failing tests first

New

  • 575 downloads
  • 145 likes
  • 216 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install test-first-development-workflow-3

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 writes the tests before the code, makes them fail, then implements the minimum to pass them and refactors. The method targets at least 80% coverage, with unit, integration and end-to-end tests.

Mostly picked by

Updated November 2, 2026

Card for the “Develop by writing the tests first” skill

Details

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

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What you get

  • SKILL.md: principles and the red, green, refactor cycle
  • SKILL.md: test pyramid and coverage requirements
  • references/: TDD test templates

Good fit for

  • You add a feature and want it framed by tests
  • You fix a bug and want a test that reproduces it

Not for

    Tags

    • tdd
    • tests
    • coverage
    • development

    About

    You say

    “Write the tests for the product category filter first, then implement it.”

    Card for the “Develop by writing the tests first” skill

    Skill published by 4444j99 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 the failing tests first
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/tdd-patterns.md6.4 KB
    • SKILL.md8.2 KB

    Origin and licence

    Listed unmodified

    Author
    4444j99
    Source
    github.com/4444j99/a-i--skills/tree/df5445878f12d78d81ec48571fa11063f9a5cd46/skills/development/tdd-workflow
    Licence
    MIT

    Notice

    « tdd-workflow » (4444j99, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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