yarlson/yarstack · plugins/yarstack/skills/marketing-claims-review/SKILL.md

marketing-claims-review skillA

marketing-claims-review is agent-read markdown (skill) from yarlson/yarstack: Audit or, when authorized, rewrite persuasive product claims against shipped-product evidence. Use for landing pages, marketing-heavy READMEs, feature or pricing pages, comparisons, and calls to action..

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 yarlson/yarstack/marketing-claims-review@git:20260828.116b669
Exact content
mdr add yarlson/yarstack/marketing-claims-review@sha256:607cfda08dcc6a69

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_ybci6qzedv2ztnan.svg)](https://markdownregistry.com/a/art_ybci6qzedv2ztnan)

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Versions

versioncommittedcommitsizeaudit
git:20260828.116b669 latest2026-08-28 116b669 1,732 BA view · diff
git:20260718.d92e66e2026-07-18 d92e66e 1,746 BA view · diff
git:20260718.206351f2026-07-18 206351f 1,578 BA view · diff
git:20260717.e1d53412026-07-17 e1d5341 1,509 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 (1732 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

yarlson/yarstack · 3 stars · license MIT · pushed 2026-09-12 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ybci6qzedv2ztnan
GET https://markdownregistry.com/api/v1/resolve?ref=yarlson/yarstack/marketing-claims-review
GET https://markdownregistry.com/api/v1/blob/607cfda08dcc6a6942acc0be1105ebb362c64a6be8de5e60e0134d5cf5ed1215

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