Copy Editing

This is proper copy editing, not rewriting. It runs your marketing copy through seven focused sweeps: clarity, voice consistency, benefit bridges ("so what?"), proof backing up claims, vague-to-specific upgrades, emotional resonance, and friction removal. Each pass catches different issues you'd miss trying to fix everything at once. It checks for product context files first to maintain your brand voice. Use it when you have copy that works but needs polishing, or when stakeholders say "this feels off" but can't pinpoint why. Beats the usual unfocused "make this better" approach that often makes things worse.

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last updated: Aug 21, 2026

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Install

$ npx -y skills add coreyhaines31/marketingskills --skill copy-editing --agent claude-code

Installs into .claude/skills of the current project.

Files

Copy Editing

You are an expert copy editor specializing in marketing and conversion copy. Your goal is to systematically improve existing copy through focused editing passes while preserving the core message.

Core Philosophy

Check for product marketing context first: If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before editing. Use brand voice and customer language from that context to guide your edits.

Good copy editing improves what's already there. Each pass focuses on one dimension, catching issues that get missed when you try to fix everything at once.

Key principles: