the-artificer-of-ciphers-llc/skills-from-the-artificer · postels-law/SKILL.md

postels-law skillA

postels-law is agent-read markdown (skill) from the-artificer-of-ciphers-llc/skills-from-the-artificer: Apply Postel's Law when designing APIs, data interchange formats, network protocols, input validation, or any interface that will receive data from other systems or users. Trigger on phrases like "how strict should our API be?", "should we accept slightly malformed input?", "what should we send vs. accept?", "how do we handle unexpected fields?", or any question about the balance between strictness and permissiveness in an interface design. Postel's Law is a foundational principle of robust inte.

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 the-artificer-of-ciphers-llc/skills-from-the-artificer/postels-law@git:20260530.3e17152
Exact content
mdr add the-artificer-of-ciphers-llc/skills-from-the-artificer/postels-law@sha256:17fbd0e6a2e4738c

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_4n43qsclhdc23byc.svg)](https://markdownregistry.com/a/art_4n43qsclhdc23byc)

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Versions

versioncommittedcommitsizeaudit
git:20260530.3e17152 latest2026-05-30 3e17152 4,249 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 (4249 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

the-artificer-of-ciphers-llc/skills-from-the-artificer · 4 stars · license MIT · pushed 2026-09-13 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_4n43qsclhdc23byc
GET https://markdownregistry.com/api/v1/resolve?ref=the-artificer-of-ciphers-llc/skills-from-the-artificer/postels-law
GET https://markdownregistry.com/api/v1/blob/17fbd0e6a2e4738c045d4956e3440adc4733d423dc472f9baba77116066a1f9d

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