marketingskills

Overview

marketingskills is a comprehensive, open-source collection of marketing skills specifically designed for AI agents like Claude Code. Hosted as a GitHub repository with over 40,000 stars, it packages a suite of specialized marketing functions—conversion rate optimization (CRO), AI-powered copywriting, SEO analysis, marketing analytics, and growth engineering—into a format that AI coding assistants can load and execute. This means technically-inclined marketers and developers can automate complex marketing tasks by simply instructing their AI agent to apply these skills, turning a general-purpose assistant into a domain-specific marketing powerhouse. The tool is not a standalone application with a graphical interface; rather, it is a set of JavaScript skill definitions that extend the capabilities of AI agents. To get started, users need a working environment with Claude Code (or a compatible agent), Node.js, and potentially API keys for external services. Once set up, the skills can be invoked via natural language prompts—for instance, asking the agent to audit a landing page for CRO improvements, generate SEO-optimized blog outlines, or craft compelling email copy. The CRO module helps identify friction points and suggests A/B test variations; the copywriting capabilities leverage AI to produce persuasive, on-brand content; the SEO tools analyze keyword usage, meta tags, and readability; analytics integration pulls data from dashboards for performance reporting; and the growth engineering module offers frameworks for viral loops and acquisition strategies. The project’s high community trust and active open-source contributions ensure the skills are continuously refined and kept up-to-date with marketing best practices. Because it is tailor-made for Claude Code, the instructions are optimized for that model’s reasoning style, reducing common AI errors and improving output quality. However, the tool demands a level of technical proficiency that may exclude non-technical marketers. It also inherits the limitations of the underlying AI model and the AI agent ecosystem; if the AI hallucinates or the integration breaks, results may suffer. Nevertheless, for developers, growth hackers, and tech-savvy marketing professionals already using AI coding assistants, marketingskills is a versatile, all-in-one Swiss Army knife that centralizes critical marketing functions, saving time on campaign optimization, content creation, and data analysis. Best of all, it is completely free and open-source, with no hidden costs beyond the user’s own AI service subscriptions.

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Core Features

• Conversion Rate Optimization (CRO) skills
• AI-powered copywriting capabilities
• SEO analysis and optimization tools
• Marketing analytics integration
• Growth engineering modules

Use Cases

• Automating marketing campaigns with AI agents
• Improving website conversion rates through data-driven insights
• Generating SEO-optimized content using Claude Code
• Analyzing marketing performance metrics with AI assistance

Pricing

The repository is open-source and free to use, with no paid tiers.

Pros

• Wide range of marketing skills in one collection
• High community trust with 40k+ GitHub stars
• Designed specifically for Claude Code and AI agents

Cons

• Requires technical setup and integration
• Not a standalone application; depends on AI agent ecosystem

Frequently Asked Questions

Summarized from the official site: https://github.com/coreyhaines31/marketingskills

marketingskillsとは何ですか？

Claude CodeなどのAIエージェント向けに特化した、オープンソースの包括的なマーケティングスキル集です。コンバージョン率最適化（CRO）やコピーライティング、SEO分析などの機能をJavaScriptのスキル定義としてパッケージ化し、AIに読み込ませることで複雑なマーケティングタスクを自動化できます。

marketingskillsは無料で使えますか？

はい、完全に無料で利用可能なオープンソースプロジェクトです。ユーザー自身が利用するAIサービスのサブスクリプション費用などの以外に、追加の隠れたコストは発生しません。

marketingskillsは非エンジニアのマーケターでも使えますか？

いいえ、ある程度の技術的な知識が必要となるため、非技術者のマーケターには不向きです。Claude CodeやNode.jsの動作環境構築、APIキーの設定などが求められます。

marketingskillsではどんなことができますか？

ランディングページの改善提案やSEO最適化された記事の作成、マーケティングデータの分析などが自然言語のプロンプトで実行できます。具体的には、CROモジュールによるA/Bテストの提案や、AIによる説得力のあるコピーの生成、アナリティクスデータの統合などが可能です。