inkeep/open-knowledge-skills · skills/starter-packs/software-lifecycle/write-a-postmortem/SKILL.md

write-a-postmortem skillA

write-a-postmortem is agent-read markdown (skill) from inkeep/open-knowledge-skills: Write a blameless incident postmortem under postmortems/ following the Google SRE shape — evidence-based timeline, trigger vs root cause vs symptom, contributing factors, what went well, and owned+dated+verifiable action items. Read when asked to write a postmortem, do an incident review, run a root cause analysis, write up the outage, retro on the outage, or when the user says we had an incident and wants it documented. Do NOT read to frame a proposal (use frame-a-proposal), write a spec (use w.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add inkeep/open-knowledge-skills/write-a-postmortem@git:20260825.dda5ab1
Exact content
mdr add inkeep/open-knowledge-skills/write-a-postmortem@sha256:59d6a467f51383b3

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_p4ufwb27hhotxvnd.svg)](https://markdownregistry.com/a/art_p4ufwb27hhotxvnd)

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Versions

versioncommittedcommitsizeaudit
git:20260825.dda5ab1 latest2026-08-25 dda5ab1 17,811 BA view · diff
git:20260824.159d2802026-08-24 159d280 17,775 BA view · diff
git:20260813.be5d62e2026-08-13 be5d62e 17,798 BA view · diff
git:20260805.99a8b172026-08-05 99a8b17 17,831 BA view · diff
git:20260804.8a506ba2026-08-04 8a506ba 17,828 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (17811 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

inkeep/open-knowledge-skills · 8 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_p4ufwb27hhotxvnd
GET https://markdownregistry.com/api/v1/resolve?ref=inkeep/open-knowledge-skills/write-a-postmortem
GET https://markdownregistry.com/api/v1/blob/59d6a467f51383b338588b70460408536c368a58fb87f8fc601b42f197f2a0b3

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.