Copywriting Core is a production-ready Claude Code skill (quality score 70/100) in the conversion sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/copywriting-core/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when writing or editing any copy: copywriting, write copy, headlines, taglines, email copy, ad copy, landing page copy, product copy, UX writing, CTAs, value proposition, microcopy, sales copy, conversion copy, SaaS copy, startup copy, positioning, messaging, voice-of-customer, landing page, copy editing, edit copy, review copy, proofread, polish copy, tighten copy, copy sweep, copy feedback, sharpen messaging.
The Copywriting Core skill is built for growth marketers, product-led growth teams, founders running experiments, and performance marketing teams. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.
mkdir -p ~/.claude/skills/copywriting-core curl -L https://claudskills.com/skills/copywriting-core/SKILL.md \ -o ~/.claude/skills/copywriting-core/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/copywriting-core/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/copywriting-core/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\copywriting-core\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
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