premortem-to-fmea-pipeline

premortem-to-fmea-pipeline is a skill for Claude Code, Codex from yogsoth-ai/stress-test. It costs 37 tokens per session (736 once invoked), scanned A, original, Apache-2.0.

A risk-review workflow that uses a pre-mortem to find possible failures, then sends the most serious ones through a detailed FMEA analysis. Lower-risk items are recorded without a full investigation.

In plain words
What is it for?
Use it to screen project or research risks, select the items needing deeper analysis, and design prioritized controls.
Why use it?
It combines a quick way to find risks with a structured method for analyzing their causes, effects, likelihood, and detectability.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit Use it to screen project or research risks, select the items needing deeper analysis, and design prioritized controls.

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Install with agentmods
npx agentmods add skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add yogsoth-ai/stress-test --skill premortem-to-fmea-pipeline
Clone the repo
git clone --depth 1 https://github.com/yogsoth-ai/stress-test

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for premortem-to-fmea-pipeline

README.md
[![agentmods](https://agentmods.dev/badge/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline/github.svg)](https://agentmods.dev/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline)
Your own site
<a href="https://agentmods.dev/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for premortem-to-fmea-pipeline

Your own site · 80×15
<a href="https://agentmods.dev/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/stress-test/premortem-to-fmea-pipeline.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 736 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00037 $0.00736
Opus 5 $0.00018 $0.00368
Sonnet 5 $0.00007 $0.00147
Haiku 4.5 $0.00004 $0.00074

Measured 8d ago against content hash aed7546dd4f6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

premortem-to-fmea-pipeline scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/premortem-to-fmea-pipeline/SKILL.md · 75 lines

How it starts

The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Pre-Mortem to FMEA Pipeline Tactic

Rapid pre-mortem screening identifies candidate failures; high-severity items trigger full FMEA deep-dive.

Orchestration

  1. premortem-facilitation generates failure scenarios (fast, intuitive)
  2. failure-mode-extraction structures scenarios into failure mode list
  3. severity-scoring performs rapid severity screen (1-10)
  4. Items scoring >= threshold pass to FMEA pipeline:
    • function-analysisfailure-chain-construction
    • occurrence-scoring + detection-scoring
    • action-priority-matrix classifies H/M/L
  5. Low-severity items documented but not analyzed further

Threshold Logic

  • Budget S: threshold = 7 (only critical items get FMEA)
  • Budget M: threshold = 5 (moderate and above)
  • Budget L: threshold = 3 (comprehensive coverage)

Subagents Dispatched

  • premortem-facilitation (scenario generation)
  • failure-mode-extraction (structuring)
  • severity-scoring (screening gate)
  • function-analysis, failure-chain-construction (FMEA deep-dive)
  • occurrence-scoring, detection-scoring (full scoring)
  • action-priority-matrix (classification)

Termination Conditions

  • All generated scenarios have been screened
  • High-severity items have completed full FMEA cycle
  • Action priority assigned to all items above threshold

Available SOPs

Optional, no fixed order; the final leaf is always a sop.

SOP When to use
action-priority-matrix Compute Risk Priority Number (RPN = S x O x D), classify failure modes into H/M/L action priority per AIAG-VDA tables.
detection-scoring Rate detectability 1-10 (inverted: 10 = hardest to detect). Estimates how likely current controls would catch the failure before impact.
failure-chain-construction Build cause-mode-effect chains tracing upstream root causes and downstream cascading effects for each failure mode.
failure-mode-extraction Extract structured failure mode list from raw scenarios or artifact analysis. Produces standardized failure mode records.
function-analysis FMEA Step 3: Decompose artifact into function tree — identify what each component is supposed to do before analyzing how it can fail.
occurrence-scoring Rate failure mode occurrence probability 1-10. Estimates how likely each failure mode is to manifest during research execution.
premortem-facilitation Execute Klein pre-mortem protocol — assume failure has occurred, generate plausible failure scenarios through prospective hindsight.
severity-scoring Rate failure mode severity 1-10 based on end-effect impact. Follows AIAG-VDA severity scale calibrated for research artifacts.

Read the full file on GitHub · 75 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 75 lines · 37 tokens per session scan A aed7546dd4f6

Subscribe to this mod's changes

premortem-to-fmea-pipeline is a skill published in the GitHub repository yogsoth-ai/stress-test (2 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 37 tokens to every session and 736 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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