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Root cause debugger subagent v1.0.0

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

New

  • 313 downloads
  • 91 likes
  • 42 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install root-cause-debugger-subagent

First time: connect the CLI with

npx --yes palatekit@latest login

This subagent captures the error message and stack trace, isolates the failure, tests hypotheses and proposes a minimal fix. Each diagnosis comes with its evidence, the root cause and prevention advice. The main agent hands it any bug, test failure or unexpected behavior.

Mostly picked by

Updated November 2, 2026

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Details

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

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What you get

  • The subagent file (in English): debugging method and report format
  • A root cause backed by evidence
  • A minimal fix and a testing approach

Good fit for

  • A test failing for no obvious reason
  • A production error whose cause is unclear

Not for

    Tags

    • debugging
    • root cause
    • tests
    • errors

    About

    You say

    “This test has failed since the last commit: find the cause and propose the minimal fix.”

    Card for “Root cause debugger subagent”

    Subagent published by wshobson under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Copy the file into .claude/agents/ (project) or ~/.claude/agents/ (all your projects)
    2. Ask your agent to find the root cause of an error or a failing test, or call the subagent by name
    3. Review its work

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • root-cause-debugger-subagent.md0.8 KB

    Origin and licence

    Listed unmodified

    Author
    wshobson
    Source
    github.com/wshobson/agents/blob/0874a27b17a22e2b7c2e2bcd725768e0803cad06/plugins/debugging-toolkit/agents/debugger.md
    Licence
    MIT

    Notice

    « debugging-toolkit-debugger » (wshobson, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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