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Pre Mortem

  • 1 installs
  • 28 repo stars
  • Updated June 29, 2026
  • nickcrew/claude-cortex

Imagines project failure upfront to surface failure modes and mitigations across tech, UX, org, and market before work starts.

About

A planning skill that imagines failure upfront to surface failure modes, guardrails, and mitigations before work begins. A developer uses it when planning initiatives where early risk surfacing prevents rework.

  • Imagines failure first to surface failure modes across tech, UX, org, and market
  • Turns 2-3 mitigations into feature candidates with effort and owner

Pre Mortem by the numbers

  • 1 all-time installs (skills.sh)
  • Ranked #2,473 of 3,280 Productivity & Planning skills by installs in the Skillselion catalog
  • Data as of Aug 4, 2026 (Skillselion catalog sync)
npx skills add https://github.com/nickcrew/claude-cortex --skill pre-mortem

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Listed on Skillselion
Installs1
repo stars28
Last updatedJune 29, 2026
Repositorynickcrew/claude-cortex

What it does

Imagines project failure upfront to surface failure modes and mitigations across tech, UX, org, and market before work starts.

Files

SKILL.mdMarkdownGitHub ↗

/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.

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