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.
npx skills add guia-matthieu/clawfu-skills --skill conversion-copywritinggit clone --depth 1 https://github.com/guia-matthieu/clawfu-skillsWrote 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.
[](https://agentmods.dev/skills/guia-matthieu/clawfu-skills/conversion-copywriting)<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.
<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>- Socket pass
- Snyk warn
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.
| Model | Per session | Once 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 |
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.
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:
- Research first - Find your messages in customer language, not your imagination
- Listen more than write - Let Voice of Customer (VOC) data do the heavy lifting
- Validate before launching - Test copy before committing fully
- 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.
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.
- 12d ago First seen · 445 lines · 98 tokens per session scan A 517457082b70
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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