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Diagnosing a hard bug and fixing it v1.0.0

Use this resource to diagnose a bug, regression or flaky test and apply the smallest fix

New

  • 358 downloads
  • 158 likes
  • 104 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install diagnose-hard-bug

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 first builds a reliable reproduction loop, then forms hypotheses and tests them one at a time. It adds instrumentation where needed, fixes the cause and writes a regression test. You get the diagnosis, the fix and a clean working tree.

Mostly picked by

Updated November 2, 2026

Card for the “Diagnosing a hard bug and fixing it” skill

Details

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

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What you get

  • SKILL.md: six phases, from the reproduction loop to cleanup
  • references/: feedback loops and useful commands

Good fit for

  • A test fails intermittently and the cause is unknown
  • A feature became slow for no obvious reason

Not for

    Tags

    • debugging
    • regression
    • flaky test
    • diagnosis

    About

    You say

    “The payment test fails one run in three. Find the cause and fix it.”

    Card for the “Diagnosing a hard bug and fixing it” skill

    Skill published by paulnsorensen 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 diagnose a bug, regression or flaky test and apply the smallest fix
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/commands.md0.8 KB
    • references/feedback-loops.md0.9 KB
    • scripts/pasteurize.pyz2,775 KB
    • SKILL.md16.1 KB
    • wedge.toml0.3 KB

    Origin and licence

    Listed unmodified

    Author
    paulnsorensen
    Source
    github.com/paulnsorensen/easy-cheese/tree/b4843e531e73be70dd02f776995c1561f7ca033b/skills/pasteurize
    Licence
    MIT

    Notice

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

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