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Marketing helpers

Marketing Skills

A pack of about 50 skills by Corey Haines for marketing work: copywriting, page conversion, SEO, analytics and growth. Works in Claude Code and Codex.

Works with
Claude Code, Codex CLI, Gemini CLI
Good for
Daily work and research, Everyone

What it does

What it is

Corey Haines collected about 50 skills for people who do marketing. A skill is a text file with instructions that your AI agent loads when a task fits.

The topics include page copy, conversion rate work, SEO, analytics, email and growth ideas.

Who it helps

Founders, marketers and writers who ask AI for marketing help and want steadier, more structured answers.

How to start

Install the whole plugin, or pick single skills with the npx command. Then ask for a task. For example: "Review this landing page and list five changes."

Be careful

The skills only give instructions. The agent still makes mistakes. Do not publish numbers or claims that you did not check.

How to install

npx skills add coreyhaines31/marketingskills
/plugin marketplace add coreyhaines31/marketingskills
/plugin install marketing-skills

How to use it

Ask for a marketing task in plain words, for example "improve the headline and button text on this page" or "plan an email sequence for new users". The matching skill starts by itself.

What to watch out for

  • All content is text instructions. Some skills tell the agent to open web pages or read analytics data you give it.
  • The advice is general. Check claims, prices and legal text yourself before you publish.

Licence and author

Licence
MIT
Author
Corey Haines
Source code
github.com/coreyhaines31/marketingskills

How we tested it

We installed it on an empty test computer on 12 Oct 2026. Installed and started in a clean test system. Not yet used in a real AI session.

Test level

We did not run any skill on a real site. We did not test the npx skills install or the Codex route.

Technical details of the test
Date
12 Oct 2026
Method
Installed the plugin with the Claude Code command line in a clean container with no account. The plugin showed as enabled and the folder held 50 skills. All 50 skill files have a name and a description, and the plugin manifests are valid JSON.

Checked again on 12 Oct 2026

Sources