nw-root-why

Identify and validate root causes using Toyota's 5 Whys with branching analysis.

Updated Apr 15, 2026
One-click install
npx skills add https://github.com/StudentCristian/nWave-github --skill nw-root-why
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: nw-root-why
Source: https://github.com/StudentCristian/nWave-github/tree/main/.github/skills/nw-root-why
Command: npx skills add https://github.com/StudentCristian/nWave-github --skill nw-root-why

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Systematic root-cause analysis using Toyota's 5 Whys with multi-causal investigation and evidence-based validation.

Core Features & Use Cases

  • 5 Why guided investigations with branching analysis
  • Evidence-backed root-cause validation and actionable fixes
  • Structured integration with engineering workflows

Quick Start

Invoke nw-root-why with a problem statement to begin the analysis.

Frequently Asked Questions about nw-root-why

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

FAQPage Schema
How do I conduct a root-cause analysis for engineering incidents using the 5 Whys?

Root-cause analysis using 5 Whys iteratively questions a problem statement to uncover foundational causes. It supports multi-causal branching to investigate parallel issues, validating each step with attached evidence for engineering and operations scenarios.

What is multi-causal branching in troubleshooting and when do I need it?

Multi-causal branching in troubleshooting allows you to investigate multiple contributing factors simultaneously at each level of a 5 Whys analysis. You need it when an incident stems from several independent root causes rather than a single failure point.

Can I use 5 Whys analysis for process improvement and operations scenarios?

Yes, 5 Whys analysis applies to operations and process-improvement scenarios beyond standard engineering debugging. It handles multiple causes at each level and links evidence directly to actionable remediation recommendations for operational workflows.

How do I start a 5 Whys investigation with a problem statement?

To start a 5 Whys investigation, invoke the analysis with a clear problem statement. The guided process then walks you through sequential why questions, allowing configurable depth and validation gates to ensure structured evidence gathering.

Does 5 Whys root-cause analysis require evidence-backed validation for fixes?

Yes, evidence-backed root-cause validation is a core requirement. The analysis links gathered evidence directly to actionable remediation recommendations, ensuring proposed fixes address validated root causes rather than symptoms.

What are the limitations of using 5 Whys for complex incident management?

5 Whys limitations for complex incident management include potential oversimplification of systemic issues. However, multi-causal branching and configurable depth mitigate this by supporting parallel investigations with validation gates instead of single linear paths.