What is pre-mortem?
pre-mortem is a Claude skill by phuryn that run pre-mortem risk analysis on PRDs and launch plans. It is listed under Engineering practice and has 27,152 GitHub stars.
| Type | Claude skill |
|---|---|
| Author | phuryn |
| Repository | phuryn/pm-skills |
| Popularity | 27,152 GitHub stars |
| Category | Engineering practice |
| Security | Low risk (96/100) |
| Rank | #245 of 1,262 Claude skills; #53 in Engineering practice |
| SKILL.md length | 93 lines |
| License | MIT |
| Last commit | 2026-10-16 |
| Stars this week | +259 |
Is pre-mortem safe to install?
pre-mortem scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 9 checks.
Skill results come from a static scan of its SKILL.md for instruction overrides, hidden actions, risky commands and credential access.
| Check | Result |
|---|---|
| No instruction-override phrases | Pass |
| No hidden actions | Pass |
| No pipe-to-shell installers | Pass |
| No obfuscated code | Pass |
| No destructive commands | Pass |
| Doesn't ask for keys or credentials | Pass |
| Makes network requests | Note |
| No shell commands | Pass |
| Installs no packages | Pass |
What the scan matched
- network:
https://
How do I install pre-mortem?
- Install with the skills CLI. Works for Claude Code and other agents that read skills.
npx skills add https://github.com/phuryn/pm-skills --skill pre-mortem
- Or copy it by hand. Claude Code loads any folder with a SKILL.md from ~/.claude/skills.
git clone https://github.com/phuryn/pm-skills cp -r pm-skills/pm-execution/skills/pre-mortem ~/.claude/skills/pre-mortem
- Use it. Claude loads the skill when a task matches its description. You can also name it in your prompt.
Use the pre-mortem skill to …
Or ask Claude to set it up
Paste this into Claude Code and it installs pre-mortem for you:
Install the "pre-mortem" skill from https://github.com/phuryn/pm-skills/tree/main/pm-execution/skills/pre-mortem into ~/.claude/skills, then tell me in one line what it does.
More from phuryn/pm-skills
This repository has at least 9 Claude skills on MCPMods.
- ab-test-analysis: Analyze A/B test results with statistical significance and recommendations (Low risk)
- cohort-analysis: Cohort retention curves, feature adoption, and segment insights (Low risk)
- sql-queries: Generate SQL queries from natural language across major dialects (Low risk)
- brainstorm-okrs: Brainstorm team OKRs aligned with company objectives (Low risk)
- create-prd: Create a PRD with 8-section template covering problem to release (Low risk)
- dummy-dataset: Generate realistic dummy datasets in CSV, JSON, or SQL (Low risk)
- job-stories: Create job stories with acceptance criteria in JTBD format (Low risk)
- outcome-roadmap: Transform output roadmaps into outcome-focused strategic plans (Low risk)