fmeda-analyzer

Generate machine-readable FMEDA artifacts computing SPFM, LFM, and PMHF metrics.

3|2|Updated Jan 23, 2026
One-click install
npx skills add https://github.com/robotijn/ctoc --skill fmeda-analyzer
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: fmeda-analyzer
Source: https://github.com/robotijn/ctoc/tree/main/skills/safety/fmeda-analyzer
Command: npx skills add https://github.com/robotijn/ctoc --skill fmeda-analyzer

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the critical need for structured, quantifiable Failure Modes Effects and Diagnostic Analysis (FMEDA) required for functional safety certification of safety-critical hardware and software systems. Without a rigorous FMEDA, teams cannot verify compliance with ISO 26262, IEC 61508, and related regulatory standards, leading to rejected safety cases, costly redesigns, or unsafe products reaching market.

Core Features & Use Cases

  • Failure Mode Enumeration & Classification: Systematically lists all credible failure modes for digital ICs, analog components, and software units, classifying each as safe, detected dangerous, undetected dangerous, or multi-point latent/detected.
  • Safety Metric Computation: Calculates required regulatory metrics including Single-Point Fault Metric (SPFM), Latent Fault Metric (LFM), and Probabilistic Metric for Hardware Failures (PMHF) to verify compliance with ASIL/SIL thresholds.
  • Audit-Ready Artifact Generation: Produces machine-readable FMEDA artifacts that meet Independent Verification and Validation (IV&V) audit requirements, and flags critical gaps such as missing failure rate sources, undiagnosed dangerous modes, unanalyzed common-cause failures, and stale analyses after design changes.
  • Use Case: For an automotive ASIL-D electronic brake controller, this skill generates the full FMEDA artifact, verifies all metrics meet the 99% SPFM and 90% LFM thresholds, and flags any missing diagnostic coverage for dangerous failure modes before implementation begins.

Quick Start

Use the fmeda-analyzer skill to generate a complete, compliant FMEDA artifact for your ASIL-D brake pressure monitoring system, including all component failure modes, diagnostic coverage calculations, and regulatory metric verification.

Frequently Asked Questions about fmeda-analyzer

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

FAQPage Schema
How do I generate a compliant FMEDA for ISO 26262 ASIL D hardware?

Generate a compliant FMEDA for ISO 26262 by enumerating credible component failure modes, classifying their safety impact, and computing Single-Point Fault Metric (SPFM) values to verify ASIL D regulatory compliance. This produces an audit-ready artifact.

What is a Failure Modes Effects and Diagnostic Analysis for functional safety?

A Failure Modes Effects and Diagnostic Analysis (FMEDA) for functional safety is a structured analysis that systematically lists all credible failure modes for digital ICs and software units, classifying each as safe, dangerous detected, or latent to quantify safety impact for certification.

How do I calculate Single-Point Fault Metric and Latent Fault Metric for IEC 61508 SIL 3 systems?

Calculate Single-Point Fault Metric (SPFM) and Latent Fault Metric (LFM) for IEC 61508 SIL 3 systems by analyzing diagnostic coverage for each dangerous failure mode and computing the ratios against total failure rates to verify they meet regulatory thresholds.

Can I use FMEDA analysis for medical device IEC 62304 Class C software units?

Yes, you can use FMEDA analysis for medical device IEC 62304 Class C software units. The analysis applies to safety-critical software development by enumerating credible software failure modes and classifying their safety impact for regulatory certification.

How do I flag undiagnosed dangerous failure modes in an automotive FMEDA artifact?

Flag undiagnosed dangerous failure modes in an automotive FMEDA artifact by systematically classifying each mode's diagnostic coverage and generating alerts for critical gaps, including unsourced failure rates and unanalyzed common-cause failures before safety case submission.