conversion-copywriting

conversion-copywriting is a skill for Claude Code, Codex from guia-matthieu/clawfu-skills. It costs 98 tokens per session (3,308 once invoked), scanned A, original, MIT.

A research-led method for writing landing pages, emails, and sales pages using the words and concerns of real customers. Conversion means turning readers into people who take a desired action.

In plain words
What is it for?
Creating new marketing copy, finding messages from customer research, improving existing pages, and testing changes against measurable results.
Why use it?
It gives writers a repeatable way to decide what to say instead of starting from guesswork or a blank page.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Creating new marketing copy, finding messages from customer research, improving existing pages, and testing changes against measurable results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/guia-matthieu/clawfu-skills/conversion-copywriting
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add guia-matthieu/clawfu-skills --skill conversion-copywriting
Clone the repo
git clone --depth 1 https://github.com/guia-matthieu/clawfu-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for conversion-copywriting

README.md
[![agentmods](https://agentmods.dev/badge/skills/guia-matthieu/clawfu-skills/conversion-copywriting/github.svg)](https://agentmods.dev/skills/guia-matthieu/clawfu-skills/conversion-copywriting)
Your own site
<a href="https://agentmods.dev/skills/guia-matthieu/clawfu-skills/conversion-copywriting"><img src="https://agentmods.dev/badge/skills/guia-matthieu/clawfu-skills/conversion-copywriting/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for conversion-copywriting

Your own site · 80×15
<a href="https://agentmods.dev/skills/guia-matthieu/clawfu-skills/conversion-copywriting"><img src="https://agentmods.dev/badge/skills/guia-matthieu/clawfu-skills/conversion-copywriting.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,308 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 18 Mar 2026
  • Snyk warn 13 Feb 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00098 $0.03308
Opus 5 $0.00049 $0.01654
Sonnet 5 $0.00020 $0.00662
Haiku 4.5 $0.00010 $0.00331

Measured 12d ago against content hash 517457082b70, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

conversion-copywriting scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/content/conversion-copywriting/SKILL.md · 445 lines

How it starts

The opening of the file, as written. The whole thing — 445 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Conversion Copywriting - Data-Driven Copy That Converts

Write copy that gets a "yes" using Joanna Wiebe's research-first, Voice of Customer methodology

When to Use This Skill

  • Writing landing pages, emails, or sales pages that need measurable conversion results
  • Starting a new copy project and need a systematic process to follow
  • Struggling with what to write and staring at a blank page
  • Wanting to prove ROI to clients with data-backed decisions
  • Improving existing copy through validation and testing
  • Training yourself or your team on professional copywriting methodology

Methodology Foundation

Aspect Details
Source Copyhackers, Copy School
Expert Joanna Wiebe - Creator of the term "conversion copywriting," founder of Copyhackers
Core Principle "Conversion copywriting is data-driven copy that gets prospects to say yes. It's a science-based process that determines what to write and how to write it."

What Claude Does vs What You Decide

Claude Does You Decide
Structures production workflow Final creative direction
Suggests technical approaches Equipment and tool choices
Creates templates and checklists Quality standards
Identifies best practices Brand/voice decisions
Generates script outlines Final script approval

What This Skill Does

This skill transforms copywriting from a guessing game into a systematic, data-driven process. Instead of staring at a blank page and hoping inspiration strikes, you'll:

  1. Research first - Find your messages in customer language, not your imagination
  2. Listen more than write - Let Voice of Customer (VOC) data do the heavy lifting
  3. Validate before launching - Test copy before committing fully
  4. Measure everything - Know what's working and why

The result: Copy that converts because it says what customers actually want to hear, in the words they already use.

Read the full file on GitHub · 445 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 445 lines · 98 tokens per session scan A 517457082b70

Subscribe to this mod's changes

conversion-copywriting is a skill published in the GitHub repository guia-matthieu/clawfu-skills (149 stars, last pushed 5mo ago), licensed MIT. It adds 98 tokens to every session and 3,308 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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