Agent skill
copywriter
Expert in writing compelling copy for web, marketing, and product
Install this agent skill to your Project
npx add-skill https://github.com/daffy0208/ai-dev-standards/tree/main/skills/copywriter
SKILL.md
Copywriter Skill
I help you write clear, compelling copy for your product, marketing, and user experience.
What I Do
UX Writing:
- Button labels, form fields, error messages
- Empty states, onboarding flows
- Tooltips, help text
- Confirmation dialogs
Marketing Copy:
- Landing pages, hero sections
- Feature descriptions
- Call-to-action (CTA) buttons
- Email campaigns
Product Content:
- Product descriptions
- Feature announcements
- Release notes
- Documentation
UX Writing Patterns
Button Labels
// ❌ Bad: Vague, passive
<Button>Submit</Button>
<Button>OK</Button>
<Button>Click Here</Button>
// ✅ Good: Specific, action-oriented
<Button>Create Account</Button>
<Button>Save Changes</Button>
<Button>Start Free Trial</Button>
Guidelines:
- Use verb + noun ("Save Changes" not "Save")
- Be specific ("Delete Post" not "Delete")
- Show outcome ("Start Free Trial" not "Submit")
Error Messages
// ❌ Bad: Technical, blaming user
"Invalid input"
"Error 422: Unprocessable Entity"
"You entered the wrong password"
// ✅ Good: Helpful, actionable
"Please enter a valid email address"
"We couldn't find an account with that email"
"Password must be at least 8 characters"
// Implementation
function PasswordInput() {
const [error, setError] = useState('')
const validate = (password: string) => {
if (password.length < 8) {
setError('Password must be at least 8 characters')
} else if (!/[A-Z]/.test(password)) {
setError('Password must include at least one uppercase letter')
} else if (!/[0-9]/.test(password)) {
setError('Password must include at least one number')
} else {
setError('')
}
}
return (
<div>
<input type="password" onChange={(e) => validate(e.target.value)} />
{error && <p className="text-red-600">{error}</p>}
</div>
)
}
Error Message Formula:
- What happened
- Why it happened (optional)
- How to fix it
Empty States
// ❌ Bad: Just says it's empty
<EmptyState message="No results" />
// ✅ Good: Explains and guides user
function EmptySearchResults() {
return (
<div className="text-center py-12">
<h3 className="text-lg font-semibold">No results found</h3>
<p className="mt-2 text-gray-600">
Try adjusting your search or filters to find what you're looking for
</p>
<Button onClick={clearFilters} className="mt-4">
Clear Filters
</Button>
</div>
)
}
function EmptyInbox() {
return (
<div className="text-center py-12">
<h3 className="text-lg font-semibold">You're all caught up!</h3>
<p className="mt-2 text-gray-600">
No new messages. Enjoy your day! 🎉
</p>
</div>
)
}
Empty State Formula:
- Headline (what's empty)
- Explanation (why it's empty)
- Action (what to do next)
Form Labels
// ❌ Bad: Unclear, jargon
<Label>Metadata</Label>
<Label>FTP Credentials</Label>
// ✅ Good: Clear, helpful
<Label>
Email Address
<span className="text-gray-500 text-sm ml-2">
We'll never share your email
</span>
</Label>
<Label>
Password
<span className="text-gray-500 text-sm ml-2">
Must be at least 8 characters
</span>
</Label>
Label Guidelines:
- Use clear, everyday language
- Add help text for complex fields
- Avoid technical jargon
Loading States
// ❌ Bad: Generic
<Loading message="Loading..." />
// ✅ Good: Specific, reassuring
function LoadingStates() {
return (
<>
<Loading message="Creating your account..." />
<Loading message="Processing payment..." />
<Loading message="Uploading image (2/5)..." />
<Loading message="This might take a minute..." />
</>
)
}
Success Messages
// ❌ Bad: Just confirms action
<Toast message="Saved" />
// ✅ Good: Confirms and suggests next step
function SuccessMessages() {
return (
<>
<Toast
message="Post published!"
action={
<Button onClick={viewPost}>View Post</Button>
}
/>
<Toast
message="Payment successful. Receipt sent to your email."
/>
<Toast
message="Profile updated. Changes are now live."
/>
</>
)
}
Landing Page Copy
Hero Section
// components/Hero.tsx
export function Hero() {
return (
<section className="text-center py-20">
{/* Headline: Clear value proposition */}
<h1 className="text-5xl font-bold">
Deploy your app in seconds, not hours
</h1>
{/* Subheadline: Expand on headline */}
<p className="mt-6 text-xl text-gray-600 max-w-2xl mx-auto">
Skip the complex setup. Push your code and we'll handle the deployment,
scaling, and monitoring automatically.
</p>
{/* CTA: Primary action */}
<div className="mt-10 flex gap-4 justify-center">
<Button size="lg">
Start Free Trial
</Button>
<Button size="lg" variant="outline">
Watch Demo (2 min)
</Button>
</div>
{/* Social proof */}
<p className="mt-8 text-sm text-gray-500">
Trusted by 50,000+ developers at companies like Airbnb, Netflix, and Shopify
</p>
</section>
)
}
Hero Copy Formula:
- Headline: Main benefit (not what you do)
- Subheadline: How it works or who it's for
- CTA: Primary action
- Social proof: Build credibility
Examples:
❌ Bad:
"Cloud Deployment Platform"
"We provide deployment services"
✅ Good:
"Deploy with confidence"
"Ship faster with zero-config deploys"
"From code to production in 30 seconds"
Feature Descriptions
// components/Features.tsx
const features = [
{
title: 'Lightning-Fast Deploys',
description: 'Push your code and see it live in under 30 seconds. No waiting, no config files.',
icon: '⚡'
},
{
title: 'Auto-Scaling',
description: 'Handle any traffic spike without lifting a finger. We scale from zero to millions seamlessly.',
icon: '📈'
},
{
title: 'Zero Downtime',
description: 'Deploy updates without taking your site offline. Your users won't even notice.',
icon: '🛡️'
}
]
export function Features() {
return (
<section className="py-20">
<h2 className="text-3xl font-bold text-center">
Everything you need to ship fast
</h2>
<div className="mt-12 grid md:grid-cols-3 gap-8">
{features.map((feature) => (
<div key={feature.title}>
<div className="text-4xl mb-4">{feature.icon}</div>
<h3 className="text-xl font-semibold">{feature.title}</h3>
<p className="mt-2 text-gray-600">{feature.description}</p>
</div>
))}
</div>
</section>
)
}
Feature Copy Guidelines:
- Focus on benefits, not features
- Use active voice
- Be specific (numbers, timeframes)
- Keep it scannable
Call-to-Action (CTA)
// Different CTA styles
// ❌ Generic
<Button>Sign Up</Button>
<Button>Learn More</Button>
// ✅ Value-focused
<Button>Start Free Trial</Button>
<Button>Get Started Free</Button>
<Button>Try it Free for 14 Days</Button>
// ✅ Urgency
<Button>Claim Your Spot</Button>
<Button>Join 10,000 Developers</Button>
// ✅ Low commitment
<Button>Browse Templates</Button>
<Button>See How It Works</Button>
CTA Copy Formula:
- Start with a verb
- Highlight the benefit
- Remove friction ("Free", "No credit card", etc.)
Email Copywriting
Welcome Email
// Email template (React Email)
import { Button, Html, Heading, Text } from '@react-email/components'
export function WelcomeEmail({ name }: { name: string }) {
return (
<Html>
<Heading>Welcome to TechStart, {name}! 👋</Heading>
<Text>
Thanks for signing up! We're excited to help you deploy faster.
</Text>
<Text>
Here's what to do next:
</Text>
<ul>
<li>Connect your Git repository</li>
<li>Deploy your first project (takes 2 minutes)</li>
<li>Invite your team members</li>
</ul>
<Button href="https://app.techstart.com/deploy">
Deploy Your First Project
</Button>
<Text>
Need help? Reply to this email or check our{' '}
<a href="https://docs.techstart.com">docs</a>.
</Text>
<Text>
Happy deploying!<br />
The TechStart Team
</Text>
</Html>
)
}
Transactional Email
export function PaymentSuccessEmail({ orderNumber, total }: {
orderNumber: string
total: string
}) {
return (
<Html>
<Heading>Payment Successful</Heading>
<Text>
We've received your payment of {total}.
</Text>
<Text>
<strong>Order Number:</strong> {orderNumber}<br />
<strong>Receipt:</strong> Sent to your email
</Text>
<Button href={`https://app.techstart.com/orders/${orderNumber}`}>
View Order Details
</Button>
<Text>
Questions? Contact support@techstart.com
</Text>
</Html>
)
}
Microcopy Examples
Tooltips
// ❌ Bad: Repeats label
<Tooltip content="Click to delete">
<Button>Delete</Button>
</Tooltip>
// ✅ Good: Adds helpful context
<Tooltip content="This action cannot be undone">
<Button>Delete</Button>
</Tooltip>
<Tooltip content="Visible to all team members">
<Toggle>Public</Toggle>
</Tooltip>
Confirmation Dialogs
// ❌ Bad: Scary, unclear
<Dialog
title="Warning"
message="Are you sure?"
confirmButton="Yes"
/>
// ✅ Good: Clear, specific
<Dialog
title="Delete this post?"
message="This post will be permanently deleted. You can't undo this action."
confirmButton="Delete Post"
cancelButton="Cancel"
variant="destructive"
/>
Placeholder Text
// ❌ Bad: Generic
<Input placeholder="Enter value" />
// ✅ Good: Helpful example
<Input placeholder="e.g., john@example.com" />
<Input placeholder="e.g., My Awesome Project" />
<TextArea placeholder="Tell us what happened..." />
Voice & Tone Guide
Brand Voice (Consistent)
## TechStart Voice
**Professional but friendly**
- We're experts, but we don't talk down to you
- Use "we" and "you" (not "I" or "users")
**Clear and concise**
- Short sentences
- Simple words
- No jargon (unless necessary)
**Helpful and supportive**
- Anticipate questions
- Provide context
- Offer next steps
Tone (Varies by context)
// Tone: Excited (product launch)
"We're thrilled to announce auto-scaling! 🎉"
// Tone: Reassuring (error message)
'Something went wrong, but your data is safe. Please try again.'
// Tone: Urgent (security alert)
'Action required: Suspicious login detected on your account'
// Tone: Casual (success message)
'All set! Your changes are live.'
// Tone: Professional (legal)
'By using this service, you agree to our Terms of Service.'
Copywriting Checklist
Before Publishing:
- Is it clear? (Can a 12-year-old understand it?)
- Is it concise? (Remove unnecessary words)
- Is it specific? (Use numbers, examples)
- Is it actionable? (What should user do?)
- Is it consistent? (Matches brand voice)
- Is it accessible? (Screen reader friendly)
- Is it scannable? (Headings, bullets, short paragraphs)
Copywriting Resources
Power Words
Urgency: Now, Today, Limited, Ending, Hurry, Fast Value: Free, Save, Bonus, Extra, Plus Trust: Guaranteed, Proven, Certified, Official, Secure Ease: Easy, Simple, Quick, Effortless, Instant
Headline Formulas
"How to [achieve goal] without [pain point]"
→ "How to deploy faster without complex configs"
"[Number] ways to [achieve benefit]"
→ "5 ways to ship code with confidence"
"Get [desired outcome] in [timeframe]"
→ "Get to production in 30 seconds"
"The [adjective] guide to [topic]"
→ "The complete guide to zero-downtime deploys"
When to Use Me
Perfect for:
- Writing UX copy (buttons, errors, forms)
- Creating landing pages
- Writing product descriptions
- Drafting email campaigns
- Building onboarding flows
I'll help you:
- Write clear, actionable copy
- Match your brand voice
- Improve conversion rates
- Enhance user experience
- Create consistent messaging
What I'll Create
✏️ UX Copy (buttons, errors, labels)
📄 Landing Page Copy
📧 Email Templates
💬 Microcopy (tooltips, placeholders)
📚 Product Descriptions
🎯 CTAs that Convert
Let's create copy that connects with your users!
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