v1.1.0

copywriter

killerapp killerapp ← All skills

Write compelling UX copy, marketing content, and product messaging. Use when writing button labels, error messages, landing pages, emails, CTAs, empty states, tooltips, or any user-facing text.

Downloads
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Stars
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Updated
2026-02-24

Install

npx clawhub@latest install copywriter

Documentation

Copywriter

Write clear, compelling copy for products, marketing, and UX.

Scope

| Type | Examples |

|------|----------|

| UX Writing | Buttons, errors, empty states, tooltips, forms |

| Marketing | Landing pages, CTAs, feature descriptions |

| Product | Announcements, release notes, onboarding |

| Email | Welcome, transactional, campaigns |

Core Formulas

Buttons

Verb + Noun → "Save Changes", "Start Free Trial" (not "Submit", "OK")

Errors

What happened → Why → How to fix

"Please enter a valid email address"

"Password must be at least 8 characters"

Empty States

Headline → Explanation → Action

"No results found" → "Try adjusting filters" → [Clear Filters]

CTAs

Verb + Benefit + Remove friction

"Start Free Trial" (not "Sign Up")

"Get Started Free" (not "Learn More")

Headlines

"How to [goal] without [pain point]"

"[Number] ways to [benefit]"

"Get [outcome] in [timeframe]"

Voice & Tone

Voice (consistent):
  • -Professional but friendly
  • -Clear and concise
  • -Helpful and supportive
Tone (varies):

| Context | Example |

|---------|---------|

| Success | "All set! Your changes are live." |

| Error | "Something went wrong, but your data is safe." |

| Urgency | "Action required: Suspicious login detected" |

Power Words

| Category | Words |

|----------|-------|

| Urgency | Now, Today, Limited, Fast |

| Value | Free, Save, Bonus, Extra |

| Trust | Guaranteed, Proven, Secure |

| Ease | Easy, Simple, Quick, Instant |

Checklist

  • -[ ] Clear? (12-year-old test)
  • -[ ] Concise? (Remove unnecessary words)
  • -[ ] Specific? (Numbers, examples)
  • -[ ] Actionable? (What should user do?)
  • -[ ] Scannable? (Headings, bullets)

References

  • -[UX Patterns](references/ux-patterns.md) - Buttons, errors, forms, tooltips
  • -[Marketing Copy](references/marketing-copy.md) - Landing pages, CTAs, emails

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