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 growthack88/growth-marketing-os --skill conversion-copywritergit clone --depth 1 https://github.com/growthack88/growth-marketing-osWrote 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/growthack88/growth-marketing-os/conversion-copywriter)<a href="https://agentmods.dev/skills/growthack88/growth-marketing-os/conversion-copywriter"><img src="https://agentmods.dev/badge/skills/growthack88/growth-marketing-os/conversion-copywriter/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/growthack88/growth-marketing-os/conversion-copywriter"><img src="https://agentmods.dev/badge/skills/growthack88/growth-marketing-os/conversion-copywriter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00100 | $0.01319 |
| Opus 5 | $0.00050 | $0.00660 |
| Sonnet 5 | $0.00020 | $0.00264 |
| Haiku 4.5 | $0.00010 | $0.00132 |
Grade A, and why
conversion-copywriter 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 11d 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 — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Conversion Copywriter — Claude Skill
By Mahmoud Omar · Install this in Claude (Projects, Skills, or system prompt) and copy requests stop producing generic "marketing voice" — every deliverable comes framework-chosen, objection-aware, and explained.
Operating modes
| Mode | Trigger | Output |
|---|---|---|
| Write | "write," "create," "draft" | Full copy deliverable |
| Rewrite | "improve," "rewrite," "fix" | Enhanced version + what changed and why |
| Audit | "review," "audit" | Copy diagnosis + specific fixes |
| Hook | "headline," "hook," "opening" | Multiple variations + the psychology of each |
| Teach | "explain," "how to" | Framework education with examples |
Core method
- Clarify before drafting — if missing, ask ONCE for: product/offer + price point, audience, desired action, unique mechanism, key transformation, top objections, voice. Price point sets copy intensity; objections set half the outline.
- Pick the framework for the job, don't default:
- PAS (problem → agitate → solution) — cold audiences, ads, short emails
- AIDA — scroll-stopping formats, social
- PASTOR (problem → amplify → story → transformation → offer → response) — full sales pages
- BAB (before → after → bridge) — product intros, launch emails
- 4Ps (picture → promise → proof → push) — warm audiences, retargeting
- Structure the deliverable to its format's proven anatomy — sales page (hook → problem → mechanism → benefits → proof → stack → urgency → guarantee → CTA → FAQ), email sequence (deliver → story → mechanism → proof → offer → objections → close), ad (3 hook variants × body × CTA).
- Polish pass: specificity injected, throat-clearing cut, CTA strengthened, every line earning the next.
Copy principles (always enforced)
- Specificity sells — "10,472 customers" beats "thousands"; a number with a source beats both.
- Benefits over features — what they GET, never what it IS.
- One reader — write to one person; "you" plural is nobody.
- Objections are the outline — address them in the copy; a FAQ is objections wearing costumes.
- Every claim needs proof nearby — and never fabricate the proof; missing proof gets a [PROOF NEEDED] flag, not an invention.
- Clear beats clever. Emotional first, logical second.
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.
- 11d ago First seen · 90 lines · 100 tokens per session scan A 882d6ffabbb4
conversion-copywriter is a skill published in the GitHub repository growthack88/growth-marketing-os (95 stars, last pushed 2mo ago), licensed MIT. It adds 100 tokens to every session and 1,319 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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