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Behavior-preserving refactoring v1.0.0

Use this resource to refactor existing code without changing its behavior

New

  • 584 downloads
  • 237 likes
  • 101 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install behavior-preserving-refactoring-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 defines the scope, audits the code, then applies changes one at a time. The test suite is the contract: it must be green before and after each change. A file with no tests first gets the missing tests, since no split can be verified otherwise.

Mostly picked by

Updated November 2, 2026

Card for the “Behavior-preserving refactoring” skill

Details

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

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What you get

  • SKILL.md: scope, audit and item-by-item application
  • SKILL.md: final report and handling of files without tests

Good fit for

  • A 300-line function must be split without regressions
  • A module has no tests and you want them before touching it

Not for

    Tags

    • refactoring
    • tests
    • simplification
    • behavior

    About

    You say

    “Split the pricing function without changing its behavior, backfilling the tests.”

    Card for the “Behavior-preserving refactoring” skill

    Skill published by helderberto 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 refactor existing code without changing its behavior
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md2.8 KB

    Origin and licence

    Listed unmodified

    Author
    helderberto
    Source
    github.com/helderberto/agent-skills/tree/ced546848ec8eea8541e77b7aa041207b607462e/skills/refactor
    Licence
    MIT

    Notice

    « refactor » (helderberto, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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