write-a-postmortem skillA
write-a-postmortem is agent-read markdown (skill) from inkeep/open-knowledge: 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
mdr add inkeep/open-knowledge/write-a-postmortem@git:20260825.3ab979amdr add inkeep/open-knowledge/write-a-postmortem@sha256:59d6a467f51383b3Pin 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.
[](https://markdownregistry.com/a/art_ggljowmuhqhzzmlv)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260825.3ab979a latest | 2026-08-25 | 3ab979a | 17,811 B | A | view · diff |
| git:20260824.4c50c94 | 2026-08-24 | 4c50c94 | 17,775 B | A | view · diff |
| git:20260813.12a6ea2 | 2026-08-13 | 12a6ea2 | 17,798 B | A | view · diff |
| git:20260805.f3f8da4 | 2026-08-05 | f3f8da4 | 17,831 B | A | view · diff |
| git:20260804.8471ed3 | 2026-08-04 | 8471ed3 | 17,828 B | A | view |
Audit of the latest version
- 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
inkeep/open-knowledge · 4,044 stars · license GPL-3.0 · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ggljowmuhqhzzmlv GET https://markdownregistry.com/api/v1/resolve?ref=inkeep/open-knowledge/write-a-postmortem GET https://markdownregistry.com/api/v1/blob/59d6a467f51383b338588b70460408536c368a58fb87f8fc601b42f197f2a0b3