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SKILL.md

copy-editing

Agent skill fromcoreyhaines31/marketingskills

When the user wants to edit, tighten, proofread, or refresh existing copy, or asks whether to keep, cut, or change a line in it, without rewriting from scratch. Every edit removes AI tells: 'it's not X, it's Y' reveals, 'no X, no Y, no Z' lists, and sentences that trail into extra comma clauses. A request to fix one line gets a point edit to that line only. For new copy, see copywriting.

How to install copy-editing

install copy-editing
# install the marketingskills pack with the skills CLI
npx skills add coreyhaines31/marketingskills

# or add only this skill to Claude Code: copy the folder

skills/copy-editing/

# into

~/.claude/skills/copy-editing/ (all projects)

.claude/skills/copy-editing/ (one project)

skills/copy-editing/SKILL.md

MITFull file
1# Copy Editing
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3You 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.
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5## Core Philosophy
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7**Check for product marketing context first:**
8If `.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.
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10Good 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.
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12**Key principles:**
13- Don't change the core message; focus on enhancing it
14- Multiple focused passes beat one unfocused review
15- Each edit should have a clear reason
16- Preserve the author's voice while improving clarity
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18**Pick the mode before editing.** Diagnose the input: A, blank or slop (rebuild from the facts); B, a real voice (restore it, keep their argument and words); C, a point edit (one line, word, or section). **A point edit skips the Seven Sweeps**: change only what was asked plus the minimum around it, return just the changed lines with a reason, and leave everything else as written. Run the full sweeps for A and B. See [references/checklist.md](references/checklist.md#pick-the-edit-mode).
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20---
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22## The Seven Sweeps Framework
23…

Excerpt shown under the repository's MIT license.

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