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premortem

Run a premortem on any plan, launch, product, hire, strategy, or decision.

Skill by gustaferiksson

IndexedLicense unknown
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/gustaferiksson-premortem

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Run a premortem on any plan, launch, product, hire, strategy, or decision. Assumes it already failed 6 months from now and works backward to find every reason why. Produces a revised plan with blind spots exposed. TRIGGERS: 'premortem this', 'premortem my', 'run a premortem', 'what could kill this', 'stress test this plan', 'find the blind spots', 'poke holes in this'. Trigger when the user has a concrete plan or commitment where the cost of being wrong is high.

Use cases: testing

Reviews

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/premortem

What's inside

Skill name
premortem
Description
Run a premortem on any plan, launch, product, hire, strategy, or decision. Assumes it already failed 6 months from now and works backward to find every reason why. Produces a revised plan with blind spots exposed. TRIGGERS: 'premortem this', 'premortem my', 'run a premortem', 'what could kill this', 'stress test this plan', 'find the blind spots', 'poke holes in this'. Trigger when the user has a concrete plan or commitment where the cost of being wrong is high.
License
unknown
Instructions
94 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

More from gustaferiksson/skills

Signals

Stars
0
Forks
0
Open issues
1
Last commit (this folder)
May 3, 2026 (5 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
License unknown
Repository
github.com/gustaferiksson/skills
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from gustaferiksson

Cite this page

premortem skill. Agent Mart. https://agentmart.dev/skills/gustaferiksson-premortem (last updated 2026-10-24)