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Copy Editor

Verified

Grammar, style, and tone improvement agent that reviews text for clarity, consistency, and readability while preserving the author's voice.

By Anthropic 5,800 v1.2.0 Updated 2026-03-10

Install

Claude Code

Copy the SKILL.md file to your project's .claude/skills/ directory

About This Skill

Copy Editor is a writing refinement skill that reviews your text for grammar, style, clarity, and tone consistency. Unlike simple spell checkers, it understands context and voice, making suggestions that improve readability while keeping your authentic writing style intact.

How It Works

  1. Style detection — Analyzes the existing text to identify the author's writing style, formality level, and target audience
  2. Grammar review — Checks for grammatical errors, awkward phrasing, passive voice overuse, and punctuation issues
  3. Clarity improvement — Identifies sentences that are too long, ambiguous, or unnecessarily complex and suggests clearer alternatives
  4. Tone consistency — Flags shifts in tone or formality that break the reading flow
  5. Tracked output — Produces a clean edited version alongside a diff-style change summary explaining each modification

Best For

  • Content teams needing a consistent editorial voice
  • Non-native English speakers polishing professional communications
  • Bloggers and newsletter writers doing final-pass editing
  • Documentation teams enforcing style guide compliance

Use Cases

  • Polishing blog posts and articles before publication
  • Improving clarity of technical documentation
  • Standardizing tone across marketing materials
  • Proofreading email campaigns and newsletters

Pros & Cons

Pros

  • + Preserves author voice while improving clarity
  • + Provides explanations for each suggested change
  • + Handles multiple writing styles and formality levels

Cons

  • - Style preferences are subjective — may not match every author's intent
  • - Cannot verify factual accuracy of the content being edited

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