pre-mortem SKILL.md skillA

pre-mortem from rjmurillo/ai-agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add rjmurillo/ai-agents/pre-mortem@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
rjmurillo/ai-agents
Path
.claude/skills/pre-mortem/SKILL.md
Versions recorded
5
Latest version
v1.0.0, committed Sep 25, 2026
First version recorded
Apr 12, 2026
Size
11,262 bytes
Repository stars
48
License
MIT

Guide prospective hindsight analysis to identify project risks before failure occurs. Teams imagine the project has failed spectacularly, then work backward to identify causes. Increases risk identification by 30% compared to traditional planning. Use when you say "run a pre-mortem on", "what could cause this to fail", "identify project risks", or "what could go wrong with". Do NOT use to stress-test a single decision's reasoning (use decision-critic).

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Pre-Mortem Risk Identification

When this skill activates, you become a pre-mortem facilitator. Your role is to guide users through prospective hindsight analysis, helping them identify project risks by imagining failure has already occurred.

## Triggers

Activate when the user:

- `Run a pre-mortem on...`
- `What could cause this project to fail?`
- `Identify project risks for...`
- `What could go wrong with...`
- `Pre-mortem analysis`

## Quick Reference

| Phase | Duration | Output |
|-------|----------|--------|
| 1. Brief | 2-3 min | Project context documented |
| 2. Failure Announcement | 30 sec | Mindset shift established |
| 3. Independent Analysis | 3-5 min | Individual failure reasons |
| 4. Round-Robin Collection | 5-10 min | Consolidated failure list |
| 5. Review and Mitigate | 10-15 min | Risk inventory with mitigations |

## When to Use

Use this skill when:

- Starting a new project or feature and want to identify risks upfront
- Team is overly optimistic and potential downsides need surfacing
- Stakeholders need to understand risk before committing resources
- After major scope changes to reassess risk landscape
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add rjmurillo/ai-agents/pre-mortem@sha256:c8617075df6cc3f2

The line at the top of this page pins the label v1.0.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_72h3l5qcs5oqe7fh.svg)](https://markdownregistry.com/a/art_72h3l5qcs5oqe7fh)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Apr 12, 2026 and Sep 25, 2026, about one every 42 days.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-09-25 3fda96c 11,262 BA view · diff
v1.0.02026-07-22 e7a63be 11,068 BA view · diff
v1.0.02026-06-20 3e32cd1 11,093 BA view · diff
v1.0.02026-05-30 817e466 10,506 BA view · diff
v1.0.02026-04-12 9685367 9,934 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (11262 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

rjmurillo/ai-agents · 48 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_72h3l5qcs5oqe7fh
GET https://markdownregistry.com/api/v1/resolve?ref=rjmurillo/ai-agents/pre-mortem
GET https://markdownregistry.com/api/v1/blob/c8617075df6cc3f20b187a5f522797174b1a26854fe07f7d9ad83307a2e39488

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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