pre-mortem

Identify failure scenarios and mitigation plans for significant tasks.

Updated Feb 16, 2026
One-click install
npx skills add https://github.com/AGM1968/weave --skill pre-mortem-agm1968
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pre-mortem
Source: https://github.com/AGM1968/weave/tree/main/.claude/skills/pre-mortem
Command: npx skills add https://github.com/AGM1968/weave --skill pre-mortem-agm1968

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Assesses failure scenarios and risk before significant tasks, then reorders implementation to address high-risk items first. Use when planning non-trivial or high-impact work.

Core Features & Use Cases

  • Imagine Failure: visualize outcomes a week from now and what went wrong.
  • Risk assessment: evaluate impact, likelihood, and detectability for each scenario.
  • Mitigations & rollback: define prevention, detection, recovery plans, and rollback steps.
  • Metadata & blast radius: record risks, blast radius, and rollback plan to inform stakeholders.

Quick Start

Invoke pre-mortem on a feature or task to generate failure scenarios and a mitigation plan with rollback steps.

Frequently Asked Questions about pre-mortem

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

FAQPage Schema
How do I identify potential failure scenarios before starting a high-impact feature migration?

A pre-mortem assesses failure scenarios before significant tasks by visualizing hypothetical project failures, evaluating impact and likelihood, and generating a mitigation plan with rollback steps to reorder implementation and address high-risk items first.

How do I assess blast radius and define rollback plans for infrastructure risks?

Assess blast radius and define rollback plans by recording required risk metadata fields including impact, likelihood, detectability, and explicit recovery steps to inform stakeholders and ensure safe infrastructure migrations.

How do I mitigate project risks by reordering implementation to address high-risk items first?

Mitigate project risks by evaluating failure scenarios for features and epics, determining impact and likelihood, then reordering implementation to address high-risk items first using defined preventions, pre-checks, and rollback steps.

Does pre-mortem risk planning work for authentication and data handling migrations?

Pre-mortem risk planning works for authentication and data handling migrations by applying structured risk assessment to these domains to determine mitigation needs, define pre-checks, establish rollback plans, and record blast radius for stakeholders.

What is the best way to document stakeholder metadata for proactive risk planning?

The best way to document stakeholder metadata for proactive risk planning is to record specific metadata fields including impact, likelihood, detectability, blast radius, and rollback plans for each identified failure scenario to ensure comprehensive visibility.