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Kepner-Tregoe: IS and IS-NOT differences v1.0.0

Use this resource to isolate the cause of a selective defect by comparing what is hit with what is not

New

  • 588 downloads
  • 144 likes
  • 243 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install defect-difference-analysis

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 compares the cases where the defect appears with those where it does not, then tests candidate causes against that boundary. For a choice between options, it separates must-haves from weighted wants and surfaces adverse consequences.

Mostly picked by

Updated November 2, 2026

Card for the “Kepner-Tregoe: IS and IS-NOT differences” skill

Details

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

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What you get

  • SKILL.md: IS and IS-NOT analysis and cause testing
  • SKILL.md: weighting of requirements and option comparison

Good fit for

  • An error happens only on some browsers or in some regions
  • You must pick a tool against mandatory requirements and preferences

Not for

    Tags

    • defect
    • analysis
    • choice

    About

    You say

    “The export only fails for accounts created before March: compare the failing cases with the working ones.”

    Card for the “Kepner-Tregoe: IS and IS-NOT differences” skill

    Skill published by tjboudreaux 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 isolate the cause of a selective defect by comparing what is hit with what is not
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md3.6 KB

    Origin and licence

    Listed unmodified

    Author
    tjboudreaux
    Source
    github.com/tjboudreaux/cc-thinking-skills/tree/7b8fece345dfaa11773be7152ccd194589cb5437/skills/thinking-kepner-tregoe
    Licence
    MIT

    Notice

    « thinking-kepner-tregoe » (tjboudreaux, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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