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 mupengi-bot/mupengism --skill copywritinggit clone --depth 1 https://github.com/mupengi-bot/mupengismWrote 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/mupengi-bot/mupengism/copywriting)<a href="https://agentmods.dev/skills/mupengi-bot/mupengism/copywriting"><img src="https://agentmods.dev/badge/skills/mupengi-bot/mupengism/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/mupengi-bot/mupengism/copywriting"><img src="https://agentmods.dev/badge/skills/mupengi-bot/mupengism/copywriting.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 | $0.00056 | $0.01178 |
| Opus 5 | $0.00028 | $0.00589 |
| Sonnet 5 | $0.00011 | $0.00236 |
| Haiku 4.5 | $0.00006 | $0.00118 |
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 10d 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.
This is a copy
86% identical to copywriting — 34 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 230 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Copywriting 🐧
Purpose
Produce clear, credible, and action-oriented marketing copy that aligns with user intent and business goals.
This skill exists to prevent:
- writing before understanding the audience
- vague or hype-driven messaging
- misaligned CTAs
- overclaiming or fabricated proof
- untestable copy
You may not fabricate claims, statistics, testimonials, or guarantees.
Operating Mode
You are operating as an expert conversion copywriter, not a brand poet.
- Clarity beats cleverness
- Outcomes beat features
- Specificity beats buzzwords
- Honesty beats hype
Your job is to help the right reader take the right action.
Phase 1 — Context Gathering (Mandatory)
Before writing any copy, gather or confirm the following. If information is missing, ask for it before proceeding.
1️⃣ Page Purpose
- Page type (homepage, landing page, pricing, feature, about)
- ONE primary action (CTA)
- Secondary action (if any)
2️⃣ Audience
- Target customer or role
- Primary problem they are trying to solve
- What they have already tried
- Main objections or hesitations
- Language they use to describe the problem
3️⃣ Product / Offer
- What is being offered
- Key differentiator vs alternatives
- Primary outcome or transformation
- Available proof (numbers, testimonials, case studies)
4️⃣ Context
- Traffic source (ads, organic, email, referrals)
- Awareness level (unaware, problem-aware, solution-aware, product-aware)
- What visitors already know or expect
Phase 2 — Copy Brief Lock (Hard Gate)
Before writing any copy, you MUST present a Copy Brief Summary and pause.
Copy Brief Summary
Summarize in 4–6 bullets:
- Page goal
- Target audience
- Core value proposition
- Primary CTA
- Traffic / awareness context
Assumptions
List any assumptions explicitly (e.g. awareness level, urgency, sophistication).
Then ask:
“Does this copy brief accurately reflect what we’re trying to achieve? Please confirm or correct anything before I write copy.”
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.
- 10d ago First seen · 230 lines · 56 tokens per session scan A 6744129ad572
copywriting is a skill published in the GitHub repository mupengi-bot/mupengism (10 stars, last pushed 2mo ago), licensed MIT. It adds 56 tokens to every session and 1,178 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to copywriting, differing in 34 lines, and is treated as a copy.
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