Individual skill

bug-root-cause-finder

Root cause analysis methods for PHP bugs. Provides 5 Whys technique, fault tree analysis, git bisect guidance, and stack trace parsing.

skills/bug-root-cause-finder/SKILL.md

Read pinned source

Source commit 7e1fea8899b7994073951dfd1f6a10532ddbb867

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
No
Repository scan complete
No
Skill scan complete
No
Observed behavior
Not checked yet
Last checked
Nov 5, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

Install this skill

Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.

An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.

Repository context

Repository stars (not skill ratings)
106
Repository last updated
Aug 16, 2026
License
MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.

Browse files
Read excerpt

# Bug Root Cause Finder

Systematic methods for finding the true source of bugs, not just symptoms.

## Core Principle: Symptom ≠ Cause

The location where an error manifests is rarely where the bug originates.

```
Error Location:     OrderController::show() - NullPointerException
Symptom Location:   OrderRepository::find() - returns null
Root Cause:         OrderCreatedHandler - failed to persist order
True Root Cause:    RabbitMQ message lost due to missing ACK
```
Back to top