Marketing Skills (Corey Haines)
Plugin : A set of capabilities installed into an AI application or a host · requires claude-code
A pack of around fifty marketing skills: copywriting, content strategy, SEO audit, AI SEO, pricing, CRO, public relations.
The reference for marketing skills; install à la carte (copywriting, seo-audit, ai-seo, pricing) rather than the full pack.
Security reflects where data goes, requested permissions and incidents on record at the verification date. It is not a guarantee of zero risk: check the deployment mode and the connections you enable.
What it does, concretely
Handling varied marketing tasks inside an AI agent requires providing it with the right methodological frameworks each time. Marketing Skills solves this by offering a library of 50 specialised markdown files that give the agent the knowledge and workflows suited to each marketing situation.
In practice, each skill is a markdown file the agent reads before acting. The product-marketing skill serves as the foundation: all other skills consult it first to understand your product, audience, and positioning. Skills cross-reference each other, for example seo-audit works with schema and ai-seo, or copywriting with cro and ab-testing.
The library is aimed at technical marketers and founders who use AI agents such as Claude Code, Cursor, Windsurf, or OpenAI Codex to automate growth tasks: copywriting, SEO audits, conversion optimisation, email campaigns, paid advertising, public relations, and more.
However, if you do not use an AI agent in a terminal or a compatible editor, these skills will be of no use: they do not work as standalone applications or web interfaces.
What it offers
- ·50 skills covering copywriting, SEO, CRO, paid advertising, emails, growth, strategy, and customer research.
- ·The product-marketing skill centralises product context and is automatically read by all other skills before each task.
- ·Skills cross-reference each other according to documented dependencies, for example customer-research feeds into copywriting, cro, and competitors.
- ·À-la-carte installation via the npx skills add command to include only the skills relevant to your project.
- ·Compatibility with multiple AI agents: Claude Code, OpenAI Codex, Cursor, Windsurf, and any agent supporting the Agent Skills specification.
- ·Two partner integrations available: Converly for server-side conversion tracking, and Ploy for site optimisation and SEO.
- ·Open-source library under the MIT licence, with community contributions accepted via pull request.
In practice
- Price
- Free
- Commercial use
- Commercial use: yes
- Available on
- GitHub, skills.sh, Claude Code plugin
- Host
- claude-code
- Licence
- MIT
- Other hosts
- claude-code, codex, cursor
- FR interface
- No
Security and data
- Rating
- Security: nothing to flag
- Your data
- Data stays local
- Maintenance
- Active
- Last release
- 6 November 2026
Links and repository checked on 8 November 2026 · added on 23 September 2026
How to install Marketing Skills (Corey Haines)
npx skills add coreyhaines31/marketingskills