marketing-claims-review SKILL.md skillA
marketing-claims-review from yarlson/yarstack is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add yarlson/yarstack/marketing-claims-review@git:20261017.2f2e03bPins git:20261017.2f2e03b in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- yarlson/yarstack
- Path
plugins/yarstack/skills/marketing-claims-review/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261017.2f2e03b, committed Oct 17, 2026
- First version recorded
- Jul 17, 2026
- Size
- 1,848 bytes
- Repository stars
- 3
- License
- MIT
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.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Marketing Claims Review Own claim substantiation, positioning, comparisons, and first-visitor clarity regardless of file location. ## Workflow 1. Confirm pages, audience, and audit-only or authorized rewrite mode. 2. Build a capability map with implementation and runtime evidence taking precedence over marketing prose, demos, and roadmap material. 3. Classify material claims as `accurate`, `unclear`, `unsupported`, `exaggerated`, `stale`, or `false`. A performance, scale, or adoption number is `accurate` only when its source exists: the benchmark or data, its method, and the version measured. 4. Test whether a first-time visitor can identify the product, intended user, problem, mechanism, difference, limitations, and next action. 5. For each problematic claim, cite evidence and recommend `keep`, `rewrite`, `move`, `remove`, `qualify`, or `prove`. 6. Rewrite only when authorized, preserving distinctions between shipped, partial, experimental, planned, and unsupported behavior. 7. After an authorized rewrite, use `text-improve` to improve the prose without weakening substantiation, necessary qualifications, or intentional voice. …
Read the whole file at its exact version.
How to install
mdr add yarlson/yarstack/marketing-claims-review@sha256:a240d2b8b397c0ecThe line at the top of this page pins the label git:20261017.2f2e03b, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ybci6qzedv2ztnan)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Jul 17, 2026 and Oct 17, 2026, about one every 23 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261017.2f2e03b latest | 2026-10-17 | 2f2e03b | 1,848 B | A | view · diff |
| git:20260828.116b669 | 2026-08-28 | 116b669 | 1,732 B | A | view · diff |
| git:20260718.d92e66e | 2026-07-18 | d92e66e | 1,746 B | A | view · diff |
| git:20260718.206351f | 2026-07-18 | 206351f | 1,578 B | A | view · diff |
| git:20260717.e1d5341 | 2026-07-17 | e1d5341 | 1,509 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 (1848 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
yarlson/yarstack · 3 stars · license MIT · pushed 2026-11-05 · 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/a240d2b8b397c0ec94806435605c5b979c7f4d8fd45809029d6c16c9f8d0610e
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.