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investigate

Identifies and documents root causes of bugs from error reports and stack traces.

Updated Apr 5, 2026
Search Tags:#debugging#troubleshooting#root-cause#software-engineering#incident-response#bug-investigation
One-click install
npx skills add https://github.com/makyua-san/usecase-agent --skill investigate-makyua-san
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: investigate
Source: https://github.com/makyua-san/usecase-agent/tree/main/.claude/skills/investigate
Command: npx skills add https://github.com/makyua-san/usecase-agent --skill investigate-makyua-san

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Systematic debugging to identify and verify the root cause of bugs before applying fixes, reducing repeated incidents and regression risk.

Core Features & Use Cases

  • Four-phase workflow: investigate, analyze, hypothesize, implement, to drive durable resolutions.
  • Proactive debugging prompts: triggers structured analysis when users report errors, stack traces, or unexpected behavior.
  • Guardrails for safe fixes: ensures root causes are found and documented before changes are made.

Quick Start

Ask it to run a root-cause investigation on a failing system and follow the four phases to identify the root cause.

Frequently Asked Questions about investigate

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

FAQPage Schema
How do I identify the root cause of a bug from a stack trace?▼

Root-cause debugging identifies the underlying cause of unexpected behavior by running a structured four-phase workflow: investigate, analyze, hypothesize, and implement, ensuring fixes are verified before changes are applied.

What is the best way to debug production incidents and prevent regressions?▼

The best way to debug production incidents is using guided root-cause analysis that documents the verified cause before applying fixes, which reduces repeated incidents and minimizes regression risk.

How do I start a root-cause investigation on a failing system?▼

To start a root-cause investigation on a failing system, trigger the debugging workflow with the reported error or behavior, then follow the four structured phases to drive durable resolutions.

Can I use structured troubleshooting to fix unexpected software behavior without causing new issues?▼

Yes, structured troubleshooting uses guardrails to ensure the root cause is found and documented before any code changes are made, preventing unsafe fixes and new issues.

Why should I document root causes before implementing bug fixes?▼

You should document root causes before implementing bug fixes to ensure traceable verification, confirm the exact failure mechanism, and significantly reduce the risk of repeated incidents or regressions.

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