investigate

Identify and fix root causes of bugs through a four-phase workflow.

1|3|Updated Mar 19, 2026

Search Tags:#debugging #investigation #verification #code-quality #reproduce #hypothesis #root-cause

Ready to run

npx skills add https://github.com/ekrishgupta/gemstack --skill investigate-ekrishgupta

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: investigate
Source: https://github.com/ekrishgupta/gemstack/tree/main/investigate
Command: npx skills add https://github.com/ekrishgupta/gemstack --skill investigate-ekrishgupta

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Systematic debugging with a focus on root cause analysis across investigation, analysis, hypothesis testing, implementation, and verification.

Core Features & Use Cases

Structured four-phase approach: investigate, analyze, hypothesize, implement to uncover root causes.
Proactive data gathering and evidence-based hypothesis testing to reduce guesswork and rework.
Guidance for collaboration and documentation to improve long-term code health and learning.

Quick Start

Describe the issue you're facing and ask /investigate to start root-cause analysis.

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 software bug or runtime error?▼

To find the root cause of a software bug, use a structured four-phase workflow: investigate, analyze, hypothesize, and implement. This approach relies on proactive data gathering and evidence-based hypothesis testing to reduce guesswork across code, tests, and environments.

What is the best way to systematically debug and troubleshoot code failures?▼

Systematic root-cause debugging involves collecting symptoms, inspecting code, reproducing issues, proposing fixes, and verifying results. Using shell utilities like Grep, Read, Write, Edit, and Bash ensures evidence-based analysis rather than trial and error.

How do I reproduce a runtime error and verify my fix?▼

To reproduce a runtime error and verify a fix, gather initial symptoms, inspect relevant code with Grep and Read, and use Bash to reproduce the issue. After implementing a fix with Edit, verify the results to ensure the root cause is resolved.

Can I use shell utilities like Grep and Bash for code investigation and analysis?▼

Yes, systematic code investigation requires tools like Grep, Read, Write, Edit, and Bash. These shell utilities collect symptoms, inspect code, reproduce issues, apply fixes, and verify results throughout the debugging workflow.

Does structured hypothesis testing reduce rework when fixing software bugs?▼

Structured hypothesis testing reduces rework by enforcing evidence-based analysis during debugging. By proactively gathering data and testing hypotheses before implementing changes, you minimize guesswork and target the actual root cause directly.

Why should I document root cause analysis during code troubleshooting?▼

Documenting root cause analysis during troubleshooting improves long-term code health and team learning. Structured debugging provides guidance for collaboration, ensuring that evidence, hypotheses, and verification steps are recorded for future reference.