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Imagine failure first to surface guardrails and feature mitigations.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name pre-mortem
description Imagine failure first to surface guardrails and feature mitigations.
license MIT
command /ctx:pre-mortem

/collaboration:pre-mortem

Use when planning initiatives where early risk surfacing saves rework.

Inputs

  • Initiative and horizon (30/90/180 days)
  • Success definition
  • Known risks/compliance constraints

Steps

  1. Define success state and horizon (default 90 days).
  2. List top failure modes across tech, UX, org, market, compliance.
  3. For each, propose mitigations/guardrails with Effort (S/M/L) and Owner.
  4. Pull 2–3 mitigations that double as feature ideas.
  5. Create Tasks for guardrails or pass to /ctx:plan.

Output Template

### Success State (horizon)
### Failure Modes
### Mitigations & Guardrails (effort, owner)
### Feature Candidates from Mitigations
### Immediate Tasks

Pairings

  • Run after /collaboration:concept-forge to sanity-check top concepts.
  • Feed guardrails into /dev:code-review or security skills as needed.