Open sourceJavaScript · ≈57k stars · MIT

Marketing Skills

Name: Marketing Skills
Author: coreyhaines31

Marketing skills for agents: CRO, copywriting, SEO, analytics, growth.

coreyhaines31/marketingskills

Maintained by coreyhaines31

Vertical Agents

A pack of marketing skills for Claude Code and other agents, covering conversion optimisation, copywriting, SEO, analytics and growth engineering. Install it, or just the skills you want, with npx skills.

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Pros & cons

Each point cites its sources and says what kind of evidence backs it. A second reviewer tried to refute every claim before it was kept.

Pros

DocsCovers CRO, copywriting, SEO, analytics, paid ads, pricing and GTM as linked skills that read a shared `product-marketing` context first.[1]
DocsIncludes a guided tool-connection workflow for scoped credentials and a first read-only result from marketing accounts.[1]
MetadataMIT-licensed, about 57k stars, 8.4k forks, and commits as of 2026-10-27.[1]

Cons

User reportsAn invalid marketplace.json schema ("source must be object") broke plugin installs in April 2026 before it was fixed.[1][2]
DocsThe README doubles as a sales channel: paid "Verified Partners" sit in the tool registry beside neutral options (the README says they do not influence core skills), and it promotes the author's agency.[1]
DocsOutput quality hinges on filling in the `product-marketing` foundation; without it, downstream skills work from generic assumptions.[1]

Best for: Technical founders and marketers who use coding agents for landing-page, SEO and growth work.
Watch out for: Check whether a recommended tool is a paying partner before you adopt it.

Assessed Oct 29, 2026 · adversarially reviewedSuggest a correction

Python · ≈66k stars · MIT