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Git history investigation for a regression v1.0.0

Use this resource to find the commit behind a regression in git

New

  • 390 downloads
  • 243 likes
  • 141 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install git-regression-root-cause

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 walks the git history, automates a git bisect with your tests, then traces how lines of code evolved and the decisions behind them. You get the likely cause, a timeline and a fix prompt.

Mostly picked by

Updated November 2, 2026

Card for the “Git history investigation for a regression” skill

Details

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

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What you get

  • SKILL.md: investigation method, bisect and history analysis
  • reference/: revert strategies, delta debugging and fix prompt generation

Good fit for

  • A test passed yesterday and fails today
  • You want to know why a piece of code was changed

Not for

    Tags

    • git
    • regression
    • history
    • bisect

    About

    You say

    “A test has failed since the last release: find the responsible commit with git bisect.”

    Card for the “Git history investigation for a regression” skill

    Skill published by simota 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 find the commit behind a regression in git
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.4 KB
    • reference/best-practices.md8.2 KB
    • reference/delta-debugging.md7.7 KB
    • reference/fix-prompt-generation.md6.6 KB
    • reference/flamegraph-regression.md7 KB
    • reference/framework-templates.md5.8 KB
    • reference/output-formats.md2 KB
    • reference/revert-strategies.md9.1 KB
    • SKILL.md23.4 KB

    Origin and licence

    Listed unmodified

    Author
    simota
    Source
    github.com/simota/agent-skills/tree/2e02cc9efb3852a45334495df3784d59b87b0e18/trail
    Licence
    MIT

    Notice

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

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