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Behavior specs from undocumented code v1.0.0

Use this resource to document the actual behavior of an existing codebase that has no specifications

New

  • 429 downloads
  • 216 likes
  • 211 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install legacy-code-behavior-specs

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 reads the code path by path, then writes the observed behavior without technical details, bugs included. Issues are listed in a KNOWN_ISSUES.md file, rated by severity.

Mostly picked by

Updated November 2, 2026

Card for the “Behavior specs from undocumented code” skill

Details

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

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What you get

  • SKILL.md : three-phase method, from investigation to organization
  • SKILL.md : KNOWN_ISSUES.md format and severity scale

Good fit for

  • You inherit an old project with no documentation
  • You want to refactor or modernize without breaking current behavior

Not for

    Tags

    • specifications
    • legacy code
    • refactoring
    • documentation

    About

    You say

    “Write behavior specs for this billing module before I refactor it.”

    Card for the “Behavior specs from undocumented code” skill

    Skill published by pixel-process-ug 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 document the actual behavior of an existing codebase that has no specifications
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md10.8 KB

    Origin and licence

    Listed unmodified

    Author
    pixel-process-ug
    Source
    github.com/pixel-process-ug/superkit-agents/tree/cc7fcb7e47bc4c50020abdf352fa5d8914d0a7c2/templates/skills/reverse-engineering-specs
    Licence
    MIT

    Notice

    « reverse-engineering-specs » (pixel-process-ug, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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