The Content Multiplication Engine is a command-line system built with Claude Code that turns one source article into 10+ platform-specific pieces: 5 LinkedIn posts, 10 tweets, 3 newsletter sections, and 2 YouTube scripts. Running one command generates everything and organizes it into a content calendar in under 10 minutes.
What you will be able to do
- Run one command (node generate.js source-article.md) to turn a single article into 5 LinkedIn posts, 10 tweets, 3 newsletter sections, and 2 video scripts
- Set up the whole system in about 30 minutes by describing your workflow to Claude Code in plain English, without writing code yourself
- Match your own writing style in every generated piece by feeding Claude Code a brand-voice.md file containing your past LinkedIn posts, newsletter sections, and tweets
- Get a content calendar (calendar/content-calendar.csv) listing publishing date, platform, content type, file location, and status for every generated piece
- Reuse the system weekly or monthly, producing a full batch in about 5 minutes once it's built
Before you start
- A Claude account (claude.ai) and an Anthropic API key from console.anthropic.com (starts with "sk-ant-")
- Terminal access (Mac Terminal, Windows PowerShell, or Linux terminal) with Node.js installed
- A source article, blog post, or transcript saved as a Markdown file
- Optional but recommended: 3-5 of your own LinkedIn posts, 2-3 newsletter paragraphs, and 10-15 tweets to paste into brand-voice.md so generated content matches your voice
Reference
| Step | Command / Setting | Detail |
|---|---|---|
| Install Claude Code | npm install -g @anthropic-ai/claude-code |
One-time global install |
| Get API key | console.anthropic.com > API Keys > Create Key | Key starts with "sk-ant-" |
| Set API key (Mac/Linux) | export ANTHROPIC_API_KEY="your-api-key-here" |
Must be set before running Claude Code |
| Set API key (Windows) | $env:ANTHROPIC_API_KEY="your-api-key-here" |
PowerShell equivalent |
| Verify install | claude --version |
Confirms Claude Code is working |
| Start Claude Code | claude (inside project folder) |
Opens the prompt where you describe what to build |
| Generate a batch | node generate.js source/article-001.md |
Produces 5 LinkedIn posts, 10 tweets, 3 newsletter sections, 2 video scripts, plus a content calendar |
Read the full walkthrough
The complete lesson, with screenshots and any downloads, is published on Substack as part of Claude Code Masterclass: Build AI Systems Without Writing Code.
More in this section
- Lesson 2: The Claude Code Extension Stack: Commands, Skills, Hooks, and Agents Explained
- Lesson 3: I Connected Claude Code to 5 Tools and Added Automation Hooks, Here is What Changed
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