pre-mortem

Identify and document project failure modes with clustered impact scores and Mermaid diagrams.

1|Updated Nov 29, 2025
One-click install
npx skills add https://github.com/SSiertsema/claude-code-plugins --skill pre-mortem-ssiertsema
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pre-mortem
Source: https://github.com/SSiertsema/claude-code-plugins/tree/main/pre-mortem/skills/pre-mortem
Command: npx skills add https://github.com/SSiertsema/claude-code-plugins --skill pre-mortem-ssiertsema

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Pre-mortem analysis helps teams imagine a project has failed and retrospectively identify why, surfacing a richer set of failure modes than traditional risk analyses.

Core Features & Use Cases

  • Elicits 10–20 distinct failure modes across categories (Strategic, Execution, Market, Technical, Organizational, Regulatory, External, Team, Measurement).
  • Clusters and scores failure modes by impact-to-failure and likelihood, then exports risks to risk-registers, FMEA, and mitigation-planning artifacts.
  • Generates Mermaid diagrams (cluster heat maps and failure-by-category visuals) and supports PNG exports for documentation and alignment.
  • Provides a facilitator guide for running sessions with a team.

Quick Start

Initiate a facilitator-guided pre-mortem session for your project horizon, elicit 10–20 failure modes across categories, and export risks to risk registers.

Frequently Asked Questions about pre-mortem

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

FAQPage Schema
How do I run a pre-mortem risk analysis to identify project failure modes?

To run a pre-mortem risk analysis, you imagine a project has already failed and retrospectively identify why. This Skill facilitates eliciting 10–20 distinct failure modes across categories like Strategic, Execution, and Technical, then clusters and scores them by impact and likelihood.

What is the best way to visualize project risks and failure modes for documentation?

The best way to visualize project risks is by generating Mermaid diagrams. This Skill creates cluster heat maps and failure-by-category visuals from your identified failure modes, and supports PNG exports for direct inclusion in project documentation and alignment reports.

How does pre-mortem analysis compare to traditional project risk analysis?

Pre-mortem analysis differs from traditional risk analysis by assuming the project has already failed, which surfaces a richer, less constrained set of failure modes. It systematically elicits 10–20 potential failures across nine categories and scores them for impact-to-failure.

Can I export pre-mortem failure modes to a risk register or FMEA?

Yes, you can export pre-mortem failure modes to risk registers, FMEA, and mitigation-planning artifacts. After clustering and scoring the identified failure modes by impact and likelihood, the Skill formats the outputs for direct integration into your existing risk tracking systems.

Do I need a facilitator guide to elicit failure modes across project lifecycles?

You do not need an external facilitator guide because this Skill provides one. It guides you through running a structured session to elicit 10–20 failure modes across project lifecycles, ensuring comprehensive coverage across categories like Market, Regulatory, and Team.

What inputs are required to start a pre-mortem session for project risk assessment?

To start a pre-mortem session for project risk assessment, you need to provide structured inputs for your project horizon and failure framings. These inputs define the scope, allowing the Skill to accurately surface and document potential failure modes for mitigation planning.