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YMMarketing OS
✓ Reviewed with our method on October 26, 2026 Claude plugin
One skill with 14 modules: website audit scored out of 100, AI search citability, copywriting, emails, ads, competitors, launch, with a "what I could not determine" section in every report.
Security review
✓ Reviewed with our method on October 26, 2026
Passive review of the public code, commit bb67dff of August 17, 2026: 1 SKILL.md file(s), 25 files, 0 script(s). Nothing was run.
- What it can do: Analyses the sites and documents you provide and writes reports and deliverables.
- Files: Writes its reports to the working folder.
- Network: The sites being analysed, through the agent's web tools.
- Credentials: None.
- Red flags: none found with our checklist
Notes
- The agent reads web pages: their content can carry hidden instructions, so watch what it does next.
- The author says it draws on other marketing skill repositories.
A new version can change everything: the review covers the commit above only. Our review method →
Install
/plugin marketplace add Yuzzyuk/marketing-os then /plugin install marketing-os@marketing-os
Command copied from the official documentation. Read the code before you run it, and prefer a version pinned to a commit or a release.
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