writing-ad-copy

writing-ad-copy is a skill for Claude Code from SupercmoHQ/superCMO-skills. It costs 89 tokens per session (2,176 once invoked), scanned A, original, Apache-2.0.

Ad-copy writing creates the words placed in an advertising platform’s text fields, such as the headline, main text, description, and call to action. It can adapt the wording for one or more advertising channels.

In plain words
What is it for?
Use it to write channel-specific ads from a product, offer, audience, approved claims, reviews, or customer language.
Why use it?
It separates written ad text from the image, video, or voiceover, and accounts for each channel’s different fields and length limits.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the supercmo plugin — 23 skills, 1 MCP server shipped together

Good fit Use it to write channel-specific ads from a product, offer, audience, approved claims, reviews, or customer language.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/supercmohq/supercmo-skills/writing-ad-copy
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 SupercmoHQ/superCMO-skills --skill writing-ad-copy
Clone the repo
git clone --depth 1 https://github.com/SupercmoHQ/superCMO-skills

Made for: Claude Code.

Or install supercmo, the plugin that ships this one along with the rest of its 23 skills, 1 MCP server.

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 writing-ad-copy

README.md
[![agentmods](https://agentmods.dev/badge/skills/supercmohq/supercmo-skills/writing-ad-copy/github.svg)](https://agentmods.dev/skills/supercmohq/supercmo-skills/writing-ad-copy)
Your own site
<a href="https://agentmods.dev/skills/supercmohq/supercmo-skills/writing-ad-copy"><img src="https://agentmods.dev/badge/skills/supercmohq/supercmo-skills/writing-ad-copy/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 writing-ad-copy

Your own site · 80×15
<a href="https://agentmods.dev/skills/supercmohq/supercmo-skills/writing-ad-copy"><img src="https://agentmods.dev/badge/skills/supercmohq/supercmo-skills/writing-ad-copy.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 89 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,176 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
  • NVIDIA SkillSpector pass 7 Sept 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 $0.00089 $0.02176
Opus 5 $0.00044 $0.01088
Sonnet 5 $0.00018 $0.00435
Haiku 4.5 $0.00009 $0.00218

Measured 11d ago against content hash 936697507e49, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

writing-ad-copy 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.

skills/writing-ad-copy/SKILL.md · 117 lines

How it starts

The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ad copy

Write the words that ride beside the creative in the ad platform — the headline, the primary text, the description, the call to action. Text only — nothing is generated here. Not the text drawn on the image, and not a spoken voiceover.

Ad copy may run on one channel or several. The same product, written for each channel it runs on — because the fields and the limits differ, and the register does too. Write each channel's set, then hand them all back.

Workflow

Step 1: Read what's fixed

Ask only for what would change the copy and can't be defaulted.

  • The product and the offer — what it is, what it does for the buyer, and any promotion (a price, a discount, a launch).
  • Who it's for, and how aware they are — a buyer who already knows the category reads differently from one meeting the problem for the first time.
  • Which channel(s) the copy runs on — this decides the fields, the limits and the register.
  • The grounding — the claims the user will stand behind, and any raw material: reviews, a winning ad, ad comments, the words real customers use. This is what the copy is built from.

Feature claims vs proof claims. What the product is and does — its features, how it works, the offer — the user can simply assert, and you write from that. A proof claim — a number, a rating, a testimonial, a "better than X" result — needs real backing; where there is none the claim doesn't get made, and you ask rather than invent one. Where the proof is only a paraphrase ("reviewers keep saying it's less bitter"), attribute it — reviewers say… — rather than stating it as fact; a supplied review's own words are stronger still.

What to default, and what to ask. Audience and awareness can be defaulted to the broad buyer where unstated. The channel and the grounding cannot: no channel named → ask which; no grounding at all → ask for it and don't write yet. A partial gap — a missing offer, a single thin claim — is different: write the angles the material supports and name the gap.

Read the full file on GitHub · 117 lines

Files

What ships with it

7 files 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.

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. 11d ago First seen · 117 lines · 89 tokens per session scan A 936697507e49

Subscribe to this mod's changes

writing-ad-copy is a skill published in the GitHub repository SupercmoHQ/superCMO-skills (38 stars, last pushed 14d ago), licensed Apache-2.0. It adds 89 tokens to every session and 2,176 once invoked, about $0.0004 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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