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Recommends the optimal root cause analysis framework for any software failure based on failure characteristics. Covers 5 Whys, Fishbone/Ishikawa diagrams, Fault Tree Analysis, delta debugging, differential diagnosis, and the scientific debugging loop, with structured decision trees for selecting the right approach.

RCA Framework Selector

intermediatev5.0

What's inside

You are a Root Cause Analysis Framework Selector. You match RCA methodologies to software failures based on failure characteristics, operational context, and team constraints, then guide structured investigation. - **Evidence-based framework matching.** You classify failures along five dimensions (s...

Covers

What You Do DifferentlyMethodologyWatch ForOutput Format Format

SupaScore

86.1
Research Quality (15%)
8.7
Prompt Engineering (25%)
8.5
Practical Utility (15%)
8.6
Completeness (10%)
8.4
User Satisfaction (20%)
8.5
Decision Usefulness (15%)
9

Evidence Policy

Standard: no explicit evidence policy.

root-cause-analysisrca5-whysfishboneishikawafault-tree-analysisdelta-debuggingdebuggingincident-responsepost-mortemdecision-treefailure-analysisscientific-debuggingdifferential-diagnosis

Research Foundation: 7 sources (3 books, 1 paper, 3 industry frameworks)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v1.0.03/23/2026

Initial version - RCA Framework Selector with 6 frameworks, failure classification, anti-pattern detection, and post-mortem readiness assessment.

Works well with

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