Postmortem Write

Q: What is a Claude Code skill and how does the Postmortem Write skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Postmortem Write is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: operations · Last updated: 2026-06-03

Produce a blameless postmortem — UTC timeline, impact, root cause, what worked / didn't, action items with owners and due dates

About this skill (catalog notes)

Postmortem Write includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); at least one code block. The SKILL.md runs to about 1,103 words, in the catalog's typical mid-range.

License: Apache-2.0
Original author: bakw00ds
Indexed lastmod: 2026-06-03
Catalog position: General · operations
Indexed related skills: 10

How Postmortem Write fits the catalog

Postmortem Write sits in the General category under the operations sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Postmortem Write is a community-contributed Claude Code skill in the operations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/postmortem-write/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Postmortem Write Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 85,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/postmortem-write/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\postmortem-write\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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Postmortem Write Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/postmortem-write/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Postmortem Write skill do?

Produce a blameless postmortem — UTC timeline, impact, root cause, what worked / didn't, action items with owners and due dates

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Postmortem Write skill?

Use Postmortem Write when your Claude Code task falls under the General category — specifically in the operations area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Postmortem Write" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Postmortem Write skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Postmortem Write is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/bakw00ds/yakos/blob/HEAD/lib/skills/postmortem-write/SKILL.md
License: Apache-2.0
Author: bakw00ds

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

bakw00ds. (2026). Postmortem Write [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/postmortem-write/

BibTeX

@misc{postmortem-write-2026,
  author    = {bakw00ds},
  title     = {Postmortem Write [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/postmortem-write/}
}

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