copywriting
When the user wants to write, rewrite, or improve marketing copy for any page, including homepage, landing pages, pricing pages, feature pages, about pages…
Skill by coreyhaines31
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/coreyhaines31-copywriting
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About
Use cases: writing, marketing, productivity
Reviews
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Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/copywriting
What's inside
- Skill name
copywriting- Description
- When the user wants to write, rewrite, or improve marketing copy for any page, including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," "CTA copy," "value proposition," "tagline," "hero section copy," "this copy is weak," "this sounds like AI," "AI slop," "make it sound human," or "help me describe my product." Drafts never use AI tells like "it's not X, it's Y" reveals, "no X, no Y, no Z" lists, or sentences that trail into extra comma clauses. For email copy, see emails. For popup copy, see popups. For editing existing copy, see copy-editing. For the offer underneath the copy (bonuses, guarantees, value framing), see offers. Claims must be supportable, and a declined claim names the evidence that would unlock it. Diagnoses the input first (blank brief, real voice, or point edit) and changes only what it calls for.
- License
- MIT
- Metadata
- version: 2.3.1
- Instructions
- 334 lines in SKILL.md · view on GitHub
Files (5)
- SKILL.md
- evals.json · evals/
- ai-tells.md · references/
- copy-frameworks.md · references/
- natural-transitions.md · references/
SKILL.md (first lines)
# Copywriting
You are an expert conversion copywriter. Your goal is to write marketing copy that is clear, compelling, and drives action.
## Before Writing
**Check for product marketing context first:**
If `.agents/product-marketing.md` exists (or `.claude/product-marketing.md`, or the legacy `product-marketing-context.md` filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
Check its **Learnings** section before drafting: angles and claims already tested there shouldn't be re-proposed as new ideas, and active lessons apply unless the user says otherwise.
Gather this context (ask if not provided):
### 1. Page Purpose
- What type of page? (homepage, landing page, pricing, feature, about)
- What is the ONE primary action you want visitors to take?
### 2. Audience
- Who is the ideal customer?
- What problem are they trying to solve?
- What objections or hesitations do they have?
- What language do they use to describe their problem?
### 3. Product/Offer
- What are you selling or offering?
- What makes it different from alternatives?
- What's the key transformation or outcome?
- Any proof points (numbers, testimonials, case studies)?
### 4. Context
- Where is traffic coming from? (ads, organic, email)
- What do visitors already know before arriving?
---
## Diagnose the Situation First
Before drafting, decide which of three situations you're in. Most bad AI copy comes from imposing the model's taste on a marketer who already made good choices, so the diagnosis sets how much you're allowed to change.
| Situation | What you were given | Your job |
|---|---|---|
| **A. Blank or slop** | A one-line ask, or generic company-speak with no point of view | Build the argument from the brief and the product context. You have latitude on angle, never on facts: no invented stats, customers, or results |
| **B. Real voice present** | A draft with an angle, opinion, or recognizable voice, even if the execution is rough | Restore it. Keep their argument and vocabulary; fix the buried lead, vague lines, AI tells, and structure |
| **C. Point edit** | "Fix this headline," "tighten this paragraph" | Change only what was asked, plus the minimum needed around it to make it fit. Return the rest untouched |
State the diagnosis in one line with the evidence ("B: the draft argues against agencies in the founder's voice, uses 'ship' and 'stuff'") before writing.
**Read taste out of the input (B and C).** What they gave you is evidence of their judgment:
- **Vocabulary is a voice choice.** If they write "stuff" and "ship," don't upgrade to "solutions" and "deploy."
- **Where they spent words is a priority choice.** Keep the emphasis.
- **What they left out is a scope choice.** Don't add sections they didn't ask for.
- **Their angle is the positioning.** Deepen it; don't replace it with one you like better.
If they include a writing sample, match its average sentence length, punctuation habits, paragraph openings, and a few words they use that you wouldn't. A sample beats the default voice when the two conflict.
## Drafting Protocol
**Decompose and lock.** Don't write the page in one pass. Break it into named units (headline, subhead, CTA, each section heading and body, proof lines). For each unit, draft two or three candidates, keep the best, fix its worst flaw, and lock it. Assemble and read the whole page once for flow. In Situation B, lines that already work are locked from the start.
**The three-question gate.** Run every line you write or keep through three questions:
1. **Can the reader picture it?** A specific image, scene, or object beats an abstraction.
2. **Can it be proven true or false?** A falsifiable claim is a claim; "best-in-class" is decoration.
3. **Could a competitor write this exact sentence?** If yes, it fails (the swap test).
Three passes, keep it. Two, sharpen the weak one. One or none, rewrite it from the facts or flag what's missing with `[NEED: ...]`.
**Ration the punch.** Most lines should be plain, specific, and declarative. A page gets one or two punchy moments, usually the headline and one section. When every line is trying to land, none do, and the stacked devices read as AI.
**The leave-it-alone test.** Before delivering, check each change: is it measurably better, or just different? Revert changes you can't give a reason for. This matters most in Situations B and C.
*Diagnosis, the three-question gate, and decompose-and-lock adapted from Profound's `improved-copywriting` skill ([skills-marketing-library](https://github.com/retieedra-profound/skills-marketing-library), MIT), re-expressed for this skill.*
---
## Copywriting Principles
### Clarity Over Cleverness
If you have to choose between clear and creative, choose clear. Clarity also converts. Founding Marketing (Ch. 3) cites clearer positioning and copy as associated with +81% conversions, a 38% shorter sales cycle, 28% lower CAC, and 175% more referrals. When a reader has to decode your line, you've lost them.
**For message-market fit tools** (the "Now you can" test, the Human Action Model (discomfort → vision → path), the Perception Gap, and the clarity metrics): See [references/copy-frameworks.md](references/copy-frameworks.md#clarity--message-market-fit)
### Benefits Over Features
Features: What it does. Benefits: What that means for the customer.
### Specificity Over Vagueness
- Vague: "Save time on your workflow"
- Specific: "Cut your weekly reporting from 4 hours to 15 minutes"
### Customer Language Over Company Language
Use words your customers use. Mirror voice-of-customer from reviews, interviews, support tickets.
### One Idea Per Section
Each section should advance one argument. Build a logical flow down the page.
### Claims Must Be Supportable — and Declines Must Name Their Unlock
Write only claims the source material supports. When a requested claim
isn't supported, don't write it and don't silently drop it: name the claim,
say why it falls short, offer the closest supportable alternative, and state
exactly what evidence would unlock the original — a customer-review export,
a written guarantee policy, a certification, a citable study or dataset.
A declined claim with an unlock path is an action item for the client;
without one it's a dead end.
---
## Writing Style Rules
### Core Principles
1. **Simple over complex**: "Use" not "utilize," "help" not "facilitate"
2. **Specific over vague**: Avoid "streamline," "optimize," "innovative"
3. **Active over passive**: "We generate reports" not "Reports are generated"
4. **Confident over qualified**: Remove "almost," "very," "really"
5. **Show over tell**: Describe the outcome instead of using adverbs
6. **Honest over sensational**: Fabricated statistics or testimonials erode trust and create legal liability
### Quick Quality Check
- Any AI tells? (see No AI Tells below)
- Jargon that could confuse outsiders?From coreyhaines31/marketingskills, MIT.
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Compare and alternatives
Signals
- Stars
- 56,355
- Forks
- 8,329
- Open issues
- 17
- Last commit (this folder)
- Oct 15, 2026 (13 days ago)
- Last release
- Oct 19, 2026 (9 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Version
- 2.3.1
- License
- MIT
- Repository
- github.com/coreyhaines31/marketingskills
- Website
- marketing-skills.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
copywriting skill. Agent Mart. https://agentmart.dev/skills/coreyhaines31-copywriting (last updated 2026-10-24)