Postmortem

Quality score: 70/100 · Category: General · Sub-category: operations

type:review

Write a postmortem for a regression or incident that escaped to production, broke real users, and traces back to a design flaw worth documenting. Use when asked to "write a postmortem", "document an incident", "analyze a production failure", "root cause analysis", or "incident review". Only invoke after confirming no existing postmortem covers the same root cause.

What this skill does

Postmortem is a production-ready Claude Code skill (quality score 70/100) in the operations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/postmortem/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when asked to "write a postmortem", "document an incident", "analyze a production failure", "root cause analysis", or "incident review". Only invoke after confirming no existing postmortem covers the same root cause.

Who uses this skill

The Postmortem skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/postmortem
curl -L https://claudskills.com/skills/postmortem/SKILL.md \
  -o ~/.claude/skills/postmortem/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/postmortem/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/postmortem/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\postmortem\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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