investigate

Identify root causes of software bugs using logs, traces, and four investigation phases.

Updated Apr 21, 2026
One-click install
npx skills add https://github.com/chriswestt/claude-skills --skill investigate-chriswestt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: investigate
Source: https://github.com/chriswestt/claude-skills/tree/main/gstack/investigate
Command: npx skills add https://github.com/chriswestt/claude-skills --skill investigate-chriswestt

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Systematic debugging guidance to identify root causes before proposing fixes, reducing guesswork and firefighting during incidents.

Core Features & Use Cases

  • Phased approach: investigate, analyze, hypothesize, implement for structured debugging.
  • Auto-checks and environment-aware prompts to gather context and reproduce errors.
  • Use cases include debugging runtime errors, stack traces, or flaky behavior in production systems.

Quick Start

Describe the issue, reproduce it reliably, and follow the four-phase process (investigate, analyze, hypothesize, implement) to identify the root cause before proposing a fix.

Frequently Asked Questions about investigate

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

FAQPage Schema
How do I systematically find the root cause of a software bug instead of guessing?

Structured debugging reduces guesswork by following a four-phase process: investigate, analyze, hypothesize, and implement. This framework uses logs, traces, and context data to systematically identify root causes of bugs and errors before proposing fixes.

What is the best way to troubleshoot unexpected runtime errors and 500s in production?

Troubleshooting runtime errors and 500s in production requires a phased approach to systematically identify root causes. It applies environment-aware prompts to gather context and reproduce errors across development, staging, and production before implementing fixes.

How do I debug flaky behavior using logs and stack traces?

Debugging flaky behavior using logs and stack traces involves a structured investigation framework. You gather context and reliably reproduce the error, then follow the analyze and hypothesize phases to identify the root cause before proposing a verified fix.

Can I use structured debugging across development, staging, and production environments?

Structured debugging applies across development, staging, and production environments. It uses auto-checks and environment-aware prompts to gather the necessary context and reproduce errors reliably, regardless of the environment where the incident occurs.

When should I use a phased debugging approach instead of immediately patching an error?

A phased debugging approach should be used when you need to identify root causes before proposing fixes, reducing firefighting during incidents. It prevents premature patching by ensuring you investigate, analyze, and hypothesize using context data before implementing a solution.