Write an Incident Postmortem

$write-incident-postmortem

This skill applies the Incident Postmortems Specification . It separates facts, reported claims, inferences, hypotheses, and decisions; preserves uncertainty; requires recovery proof; and connects corrective work to durable Engineering Follow-ups.

Install for Codex

Download the complete skill package or copy and run:

mkdir -p "${CODEX_HOME:-$HOME/.codex}/skills"
curl -fsSL https://vacua.dev/skills/write-incident-postmortem/bundle.tar.gz \
  | tar -xz -C "${CODEX_HOME:-$HOME/.codex}/skills"

Install for Claude Code

mkdir -p "$HOME/.claude/skills"
curl -fsSL https://vacua.dev/skills/write-incident-postmortem/bundle.tar.gz \
  | tar -xz -C "$HOME/.claude/skills"

Invoke directly

$write-incident-postmortem draft a reviewed postmortem from these exact incident records
/write-incident-postmortem draft a reviewed postmortem from these exact incident records

Or let ACK construct and validate a draft from pinned evidence:

ack incident draft --source record=.ack/incidents/checkout-2026-07.yaml

Read the raw SKILL.md .