PA
Premortem Assassin
🔵 Stable🕐 updated 2026-10-06
✅ 4.8/5
🔷 SkillSpec L3
pm-warroom
Kill the plan on paper before reality does it for money. Use when a plan, launch, migration, or strategy is about to be committed to and nobody has tried hard to murder it yet — the assassin attacks through twelve named failure vectors and writes the post-mortem of the failure that hasn't happened. Produces a premortem: the death narrative, the twelve-vector attack with survival verdicts, the three kill-shots most likely to land, and the cheap tripwires that would give early warning.
▶ Run it free — no key needed
📝 Grade your existing draft
📱 Use as an app
View SKILL.md ↗
What changed
🗣 Say this to your agent
“Kill this plan on paper.”“Run a premortem on our launch.”“How will this migration fail?”“Attack this strategy before we commit.”
What to give it
▸The plan — the actual document, not a summary. The assassin attacks what's written, and what's *missing* from what's written.
▸The success definition — what "it worked" means, with a number and a date. Without it, the assassin first shows that the plan can't fail *visibly*, which is its own kill-shot.
▸Optional (optional) — constraints already known (budget ceiling, headcount, hard deadline) and the political context (who wants this to fail).
✅ The bar it holds itself to
Every skill in this library self-verifies — these are this skill's own quality checks, straight from its definition.
✓Every vector was attacked against THIS plan's specifics — no generic risk boilerplate that could attach to any project
✓At least three verdicts are 🛡 survives — an all-kill report means the attack was theatrical, not forensic
✓Each kill-shot names the week of irreversibility, not just the risk
✓Every tripwire is observable and dated — someone could put it in a calendar without further thought
✓The obituary reads like a real postmortem, not satire — the tone that makes teams take it seriously
⚠️ What it refuses to do
Do not soften kill-shots into "considerations" — the assassin's value is that it does not care about morale
Do not invent facts about the plan — attack what is written and flag what is absent; absence is evidence
Do not produce more than three kill-shots — twelve wounds ranked equally is a risk register, and risk registers are where warnings go to die
Do not skip the zombie vector — teams plan for explosion and never for the shamble
Do not attack the people — every mechanism must route through structure, incentive, or process, never through "X is bad at their job"
Install
npx pm-claude-skills add --agent claude # or codex · cursor · gemini · hermes
# or one-line MCP (every skill, any client):
claude mcp add pm-skills -- npx -y -p pm-claude-skills pm-claude-skills-mcpRelated skills
🔌 Embed this skill
Drop this on your blog, docs, or site — it renders a "Run this skill" card:
<div data-pm-skill="premortem-assassin"></div>
<script src="https://mohitagw15856.github.io/pm-claude-skills/embed.js" async></script>💬 Discussion
Premortem Assassin is one of 1307 open-source professional AI agent skills — all SkillSpec L3.
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