rca

Diagnose incident root causes using Five Whys and generate signed-off corrective actions.

8|Updated Feb 2, 2026
One-click install
npx skills add https://github.com/usurobor/cnos --skill rca-usurobor
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rca
Source: https://github.com/usurobor/cnos/tree/main/src/packages/cnos.eng/skills/eng/rca
Command: npx skills add https://github.com/usurobor/cnos --skill rca-usurobor

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Blameless Root Cause Analysis after incidents helps teams diagnose systemic failures without blaming individuals, preserving evidence, and guiding durable improvements. It ensures post-incident learning is thorough, objective, and actionable.

Core Features & Use Cases

  • Capture incident timelines, evidence, and events to build a complete record.
  • Apply structured methods (Five Whys, cause-effect analysis) to identify root causes.
  • Generate a signed-off action plan with owners and due dates to prevent recurrence.
  • Use postmortems to convert findings into durable system improvements across teams.

Quick Start

Create a new RCA thread and begin documenting the incident using the Five Whys method to identify the root cause.

Frequently Asked Questions about rca

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

FAQPage Schema
How do I conduct a blameless root cause analysis after an incident?

Conduct blameless root cause analysis by capturing incident timelines and evidence, applying structured methods like Five Whys to identify systemic failures, and generating signed-off corrective actions to prevent recurrence.

What is the best way to document an incident timeline for postmortems?

Document an incident timeline for postmortems by capturing events and evidence chronologically to build a complete record, which preserves objective data for subsequent structured analysis and durable system improvements.

How does the Five Whys method work for incident management?

The Five Whys method works for incident management by sequentially asking why an event occurred to move past symptoms, identifying root causes without assigning blame, and converting findings into actionable corrective actions.

Can I generate signed-off corrective action plans with owners and due dates?

You can generate signed-off corrective action plans by completing structured analysis, assigning specific owners and due dates to preventive measures, and tracking these actions to ensure durable system improvements across teams.

Does root cause analysis require specific dependencies or platforms to get started?

Root cause analysis requires no specific dependencies or platforms to get started; you can create a new analysis thread and immediately begin documenting the incident using the Five Whys method.

When should I use blameless postmortems instead of other incident review methods?

Use blameless postmortems when you need to diagnose systemic failures objectively without blaming individuals, ensuring post-incident learning is thorough, actionable, and focused on durable improvements rather than personal fault.