Can this skill help with security audits?

Yes, it is excellent for post-incident security analysis to determine exactly how a breach occurred and which systemic weaknesses allowed the unauthorized access.

How does Causal Tree Analysis differ from the 5 Whys?

While the 5 Whys is a linear method for simple issues, Causal Tree Analysis is a multi-branching technique that handles complex failures by testing if causes are both necessary and sufficient for an event to occur.

When should I use this skill instead of a Fishbone diagram?

Use Causal Tree Analysis when you need logical rigor and evidence-based validation. Fishbone diagrams are better for brainstorming broad possibilities, whereas Causal Trees focus on proving actual causal relationships.

What are the primary logic tests used in this analysis?

It uses three main tests: the Necessity test (would the event happen without this?), the Sufficiency test (did these causes together guarantee the result?), and the Existence test (is there evidence this cause actually occurred?).

Causal Tree Analysis

Name: Causal Tree Analysis
Author: lev-os

bylev-os

0•

Productivity & Workflow

Performs rigorous, logic-based root cause investigations using hierarchical tree-structured analysis to identify systemic failures.

Causal Tree Analysis is a sophisticated diagnostic skill that helps teams move beyond superficial explanations for complex incidents like system outages, security breaches, or software defects. By mapping an adverse event to its necessary and sufficient conditions, it creates a visual, logical tree that exposes hidden dependencies and knowledge gaps. This skill is particularly valuable for multi-factor failures where linear models like the '5 Whys' fall short, ensuring that corrective actions address foundational system weaknesses rather than just immediate symptoms.

Key Features

010 GitHub stars

02Logical validation using necessity and sufficiency tests

03Visual framework for communicating complex causation to stakeholders

04Hierarchical mapping of incident causes and contributing factors

05Systematic identification of knowledge gaps and evidence requirements

06Differentiation between root causes and enabling contributing factors

Use Cases

01Conducting post-incident reviews for security breaches or data leaks

02Analyzing complex product defects involving multiple interacting subsystems

03Investigating major production system outages or performance degradations

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add lev-os/agents causal-tree-analysis

For use in Claude.ai and ChatGPT

Download Skill