slopstopper/plumb-line · skills/plumb-line-method/SKILL.md

plumb-line-method skillA

plumb-line-method is agent-read markdown (skill) from slopstopper/plumb-line: Use when a builder wants to learn or be reminded of the plumb-line method — the discipline of epistemic honesty enforced by tooling. Teaches the thesis, the nine portable principles, the maturity vocabulary, and the one-line test. Pure knowledge; takes no actions..

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 slopstopper/plumb-line/plumb-line-method@git:20260814.ee8d646
Exact content
mdr add slopstopper/plumb-line/plumb-line-method@sha256:88e6882a68e3e5ca

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_33fhllyfmf6gwn3t.svg)](https://markdownregistry.com/a/art_33fhllyfmf6gwn3t)

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Versions

versioncommittedcommitsizeaudit
git:20260814.ee8d646 latest2026-08-14 ee8d646 5,145 BA view · diff
git:20260814.da47c7b2026-08-14 da47c7b 5,023 BA view · diff
git:20260707.2a1c86e2026-07-07 2a1c86e 4,679 BA view · diff
git:20260705.312c42c2026-07-05 312c42c 4,296 BA view · diff
git:20260705.24eb0962026-07-05 24eb096 4,290 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 (5145 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

slopstopper/plumb-line · 4 stars · license Apache-2.0 · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_33fhllyfmf6gwn3t
GET https://markdownregistry.com/api/v1/resolve?ref=slopstopper/plumb-line/plumb-line-method
GET https://markdownregistry.com/api/v1/blob/88e6882a68e3e5cae79e04f67f5fb1a093c63058f88acfa2738452e44bb2c024

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