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Root-cause diagnosis without a fix v1.0.0

Use this resource to diagnose the root cause of an error or failing test

New

  • 435 downloads
  • 114 likes
  • 131 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install root-cause-diagnosis

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 starts from errors, logs, traces or failing tests, forms hypotheses, checks them and proposes a minimal fix without applying it. You get a structured diagnosis with the evidence found and the main hypothesis.

Mostly picked by

Updated November 2, 2026

Card for the “Root-cause diagnosis without a fix” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: investigation principles and output format
  • references/rca-template.md: root-cause analysis template
  • references/entry-triggers.md: entry triggers

Good fit for

  • A test fails in CI for no obvious reason
  • An error keeps returning and you want to understand it before fixing

Not for

    Tags

    • diagnosis
    • root cause
    • logs
    • tests

    About

    You say

    “Why does this integration test only fail in CI? Don't fix it yet.”

    Card for the “Root-cause diagnosis without a fix” skill

    Skill published by nextstage-brasil under the Apache-2.0 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 the root cause of an error or failing test
    3. Review and adjust the result

    Content preview

    Files

    • evals/evals.json1 KB
    • LICENSE11.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/entry-triggers.md1.5 KB
    • references/rca-template.md1 KB
    • SKILL.md4.5 KB

    Origin and licence

    Listed unmodified

    Author
    nextstage-brasil
    Source
    github.com/nextstage-brasil/skills/tree/397947265cb478166f5a110dc869afd1f8f3c04c/skills/ns-investigator
    Licence
    Apache-2.0

    Notice

    « ns-investigator » (nextstage-brasil, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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