50 Marketing Skills That Give Your Coding Agent a Growth Team

You shipped the product alone; marketing is where solo founders stall. This repo — built by Corey Haines, the marketer behind Swipe Files — distills that work into 50 installable skills covering conversion optimization, copywriting, SEO, analytics, and growth engineering, and it works with Claude Code, OpenAI Codex, Cursor, Windsurf, and any agent that supports the Agent Skills spec.

Why This Skill Matters

Generic prompting gets you generic landing-page copy. Each skill here carries a specific workflow with its own trigger description, so your agent recognizes the task and applies the right framework. The skills also reference each other: the README's dependency map shows copywriting ↔ cro ↔ ab-testing cross-checking one another, and every other skill reads the product-marketing skill first to pick up your product, audience, and positioning.

The README's table lists 50 skills. The headings group them into conversion optimization (cro, signup, onboarding, popups, paywalls), content and copy (copywriting, cold-email, emails), SEO and discovery (seo-audit, ai-seo, programmatic-seo), and more — measurement, retention, growth engineering, pricing, and sales enablement among them.

Installation

The recommended path is the npx skills CLI:

npx skills add coreyhaines31/marketingskills

Install a subset or preview the catalog with flags:

npx skills add coreyhaines31/marketingskills --skill cro copywriting
npx skills add coreyhaines31/marketingskills --list

One trap the README flags: if you run the command from inside an agent session, it may install only to the universal .agents/skills/ directory, which Claude Code does not read. Pass the agent explicitly:

npx skills add coreyhaines31/marketingskills -a claude-code

Claude Code users can alternatively run /plugin marketplace add coreyhaines31/marketingskills, then /plugin install marketing-skills. Codex users run codex plugin marketplace add coreyhaines31/marketingskills, then install marketing-skills from the /plugins browser inside a Codex session.

Real Workflow: Rework a Landing Page

1. Fill in the foundation first. Ask your agent to create your product marketing context — that becomes the product-marketing document every other skill reads.
2. Then run a conversion pass on the page itself.

帮我对这个落地页做一次转化率优化审查，指出按优先级排序的修改点

3. Expect the cro skill to trigger. Iterate section by section, and when the copy is ready, ask for a structured A/B test with ab-testing instead of guessing which version wins.
4. For reach, chain the SEO skills: seo-audit for technical issues, ai-seo for appearing in AI-generated answers, schema for structured data.

You can also invoke skills directly with slash commands — /cro, /emails, /seo-audit.

Tips

• Start with product-marketing every time. It is the document the rest of the library builds on.
• Blank page? The marketing-ideas skill holds 140 SaaS marketing ideas, per the README.
• The project is at v2.0, which renamed 17 skills and merged page-cro and form-cro into a single cro. If you installed v1.x, the README documents how to remove the stale old-name folders before reinstalling.
• Email flows and cold outbound are covered too: emails for lifecycle sequences, cold-email for B2B outreach with follow-ups and sending setup.

When Not to Use This

These are marketing-workflow skills, not channels: they plan your ads and draft your creative, but they do not replace an ad account, an email platform, or someone who knows your numbers. If you need deep SEO tooling with live crawl data, pair this with a dedicated SEO stack rather than expecting the skills to crawl for you.

See the leaderboard for more skills.