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 Infinite-Labs-AI/infinite-skills --skill copywritinggit clone --depth 1 https://github.com/Infinite-Labs-AI/infinite-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/infinite-labs-ai/infinite-skills/copywriting)<a href="https://agentmods.dev/skills/infinite-labs-ai/infinite-skills/copywriting"><img src="https://agentmods.dev/badge/skills/infinite-labs-ai/infinite-skills/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/infinite-labs-ai/infinite-skills/copywriting"><img src="https://agentmods.dev/badge/skills/infinite-labs-ai/infinite-skills/copywriting.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00070 | $0.00827 |
| Opus 5 | $0.00035 | $0.00413 |
| Sonnet 5 | $0.00014 | $0.00165 |
| Haiku 4.5 | $0.00007 | $0.00083 |
Grade A, and why
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 — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Copywriting
Write clear website and landing-page copy that makes a strong promise and backs it up with proof.
Scope
Use this for:
- Homepage, landing page, pricing page, feature page, product page, and about page copy.
- Hero headline, subheadline, CTA, value proposition, tagline, section copy, and objection handling.
- Rewriting weak page copy to make it clearer and more persuasive.
Do not use this for:
- Email flows or lifecycle messages. Use
email-sequence. - Blog posts, SEO articles, or content calendars. Use
content-strategyorseo-strategy. - Longform X/Twitter articles. Use
x-article-writer. - Platform-specific Google, Meta, or LinkedIn ad copy. Use
creative-brieforpaid-ads.
Before asking questions, read existing product-marketing context if present: .agents/product-marketing.md, .claude/product-marketing.md, or product-marketing-context.md.
Copy Inputs
Look for or ask for:
- Target reader and traffic source.
- Desired action.
- Offer or product being sold.
- Current page or draft.
- Proof: numbers, customers, testimonials, demos, screenshots, case studies.
- Objections and alternatives.
- Tone constraints.
If proof is missing, write lower-claim copy and mark where proof is needed.
Build The Argument
Create the page argument before writing polished prose:
- Reader arrives with this belief.
- The page must change that belief to this.
- The strongest promise is this.
- The proof is this.
- The next action is this.
Every section should move the reader closer to the action. Remove claims that do not support the argument.
Match Claims To Proof
For every meaningful claim, define:
- Claim.
- Proof type: customer quote, metric, demo, screenshot, credential, example, guarantee, comparison.
- Proof strength: weak, usable, strong, publishable.
- Allowed wording ceiling: what can be said honestly without overstating.
- Placement: hero, proof block, FAQ, CTA area, pricing, section body.
- Gap: what proof is missing.
Write The Copy
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 134 lines · 70 tokens per session scan A 8b91c509ce44
copywriting is a skill published in the GitHub repository Infinite-Labs-AI/infinite-skills (44 stars, last pushed 13d ago), licensed MIT. It adds 70 tokens to every session and 827 once invoked, about $0.0003 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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