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investigate

Enforce root cause investigation before applying code fixes.

1|Updated Apr 13, 2026
Search Tags:#debugging#root cause analysis#bug fixing#error resolution#software troubleshooting#regression investigation
One-click install
npx skills add https://github.com/a29paul/hexlens --skill investigate-a29paul
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: investigate
Source: https://github.com/a29paul/hexlens/tree/main/.claude/skills/gstack/investigate
Command: npx skills add https://github.com/a29paul/hexlens --skill investigate-a29paul

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates whack-a-mole debugging by enforcing root cause investigation before any fixes are applied, so you stop fixing the same bug repeatedly and solve the underlying issue once and for all.

Core Features & Use Cases

  • Four-phase structured workflow: Guided investigate, analyze, hypothesize, and implement steps to remove guesswork from debugging.
  • Proactive bug detection: Automatically triggers when you report errors, stack traces, 500 errors, or unexpected behavior in your code.
  • Use Case: If your app started throwing 500 errors after a recent deployment, this skill walks you through checking recent code changes, tracing the error path, and confirming the root cause before you write any fix.

Quick Start

Use the investigate skill to find the root cause of the 500 error that appeared after the last deployment to production.

Frequently Asked Questions about investigate

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find the root cause of a recurring software bug instead of just patching symptoms?▼

Root cause debugging requires systematically investigating the underlying issue before applying fixes. A structured workflow enforces analysis and hypothesis steps to eliminate guesswork, ensuring you resolve the actual error source rather than repeatedly fixing symptoms.

What is the best way to debug a 500 error that appeared after a production deployment?▼

Debugging a 500 error after deployment involves tracing the error path and checking recent code changes. A systematic investigation workflow guides you through stack trace analysis to confirm the root cause before you write any code changes.

Can I use a structured debugging workflow for regression investigation in active codebases?▼

Yes, structured debugging workflows apply directly to regression investigation and unexpected behavior troubleshooting in active codebases. The process removes guesswork by enforcing hypothesis confirmation before implementation, reducing mean time to resolution for software errors.

How does systematic root cause analysis prevent duplicate bug reports?▼

Root cause analysis prevents duplicate bug reports by ensuring fixes target the foundational issue rather than surface symptoms. By investigating, analyzing, and confirming hypotheses before implementation, you eliminate unrooted fixes that cause the same error to recur.

Do I need any specific testing frameworks to start systematic error resolution?▼

No specific testing frameworks are required for systematic error resolution. The debugging workflow applies to software troubleshooting scenarios using a four-phase process of investigation, analysis, hypothesis, and implementation to resolve stack traces and unexpected behavior.

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