Marketing Skills

Marketing Skills for AI Agents (github.com/coreyhaines31/marketingskills) is an open-source, MIT-licensed library built by Corey Haines that turns Claude Code and other coding agents into a working marketing collaborator. Rather than one long prompt, it's a collection of 40-plus individual "skills" — folders containing a SKILL.md file plus reference material — each encoding how a specific marketing specialist actually works: the questions a conversion copywriter asks before touching a headline, the checklist a technical SEO audit follows, the way a fractional CMO sizes a plan to a company's stage and budget. The skills are organized into seven categories that mirror a real marketing function: SEO & content, conversion rate optimization (CRO), content & copy, paid & measurement, growth & retention, sales & go-to-market, and strategy. At the center of the system sits a single shared context file, product-marketing.md, which every other skill reads before doing anything — so once a founder describes their product, audience, and voice once, every subsequent skill (ad copy, email sequences, launch plans) produces output that already sounds like that company instead of a generic best guess.

The repo is built specifically for Claude Code and compatible agents, and installs via a few paths documented in its README: the npx skills add coreyhaines31/marketingskills CLI installer (with flags to grab the whole library or just specific skills), Claude Code's plugin marketplace (/plugin marketplace add and /plugin install), or a manual git clone for setups outside Claude Code. Some of the framework's judgment — particularly its budget-sizing and growth-pattern logic in the marketing-plan skill — draws on Corey Haines's Founding Marketing methodology, and newer additions like the ai-seo skill cover getting content cited inside AI-generated answers (AEO/GEO/LLMO) rather than just ranking in traditional search. It's a genuinely practical, actively maintained project aimed at solo founders and small teams who need marketing expertise on demand without a marketing hire — which is what my book, Marketing Your Startup Using Claude, is built to teach end to end.