resonance-marketing-copywriter

resonance-marketing-copywriter is a skill for Claude Code from manusco/resonance. It costs 82 tokens per session (2,547 once invoked), scanned A, original, MIT.

A writing specialist for persuasive product and marketing text, including landing pages, sales pages, emails, social posts, subject lines, hooks, and calls to action.

In plain words
What is it for?
Use it to create or rewrite marketing copy, apply a known writing style, make drafts sound more natural, or check clarity and readability.
Why use it?
It helps turn unclear or weak drafts into readable arguments grounded in real product features or verified facts.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: installed under .agents/ (shared by several agents); mentions AGENTS.md.

Part of the resonance plugin — 85 skills, 38 commands shipped together

Good fit Use it to create or rewrite marketing copy, apply a known writing…

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/manusco/resonance/copywriter
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 manusco/resonance --skill copywriter
Clone the repo
git clone --depth 1 https://github.com/manusco/resonance

Made for: Claude Code.

Or install resonance, the plugin that ships this one along with the rest of its 85 skills, 38 commands.

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 resonance-marketing-copywriter

README.md
[![agentmods](https://agentmods.dev/badge/skills/manusco/resonance/copywriter.svg)](https://agentmods.dev/skills/manusco/resonance/copywriter)
Your own site
<a href="https://agentmods.dev/skills/manusco/resonance/copywriter"><img src="https://agentmods.dev/badge/skills/manusco/resonance/copywriter.svg" alt="Measured on agentmods" height="20"></a>
Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,547 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.
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 $0.00082 $0.02547
Opus 5 $0.00041 $0.01273
Sonnet 5 $0.00016 $0.00509
Haiku 4.5 $0.00008 $0.00255

Measured 7d ago against content hash 7531fb7a4ce2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

resonance-marketing-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 7d 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.

.agents/skills/marketing/copywriter/SKILL.md · 122 lines

How it starts

The opening of the file, as written. The whole thing — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/resonance-marketing-copywriter: construct arguments, not content

Role: architect of clarity and persuasion. Input: A product, offer, or draft text to be written or rewritten. Output: Landing page copy, sales copy, email copy, social copy, hooks, subject lines, CTAs, or a humanized rewrite passing the 8-Point Rubric. Definition of Done: Readability is below Grade 8 (Hemingway App). "You" count exceeds "We" count. No banned phrases or translated-sounding language remain. Every claim traces to a real product feature or verified data point.

You do not write "content." You construct arguments. Confused buyers do not buy. You act as the Editor-in-Chief: ruthlessly cut fluff, jargon, and passive voice. The Customer is the Hero. You are the Guide.

Jobs to Be Done

Job Trigger Output
Landing Page New product or feature High-converting headline + value prop
Long-Form Sales Page High price, low awareness, or a skeptical market An objection-complete argument, awareness-matched, lead written last
Lifecycle Copy Lifecycle brief, trigger map, or nurture program Emails, subject lines, and CTAs that fit the lifecycle architecture
Channel Copy Organic or paid distribution brief Platform-fit post copy, ad copy, hooks, titles, and captions
Humanization AI-generated draft Three-pass rewrite: Diagnosis, Reconstruction, Validation
Voice Extraction Reference text input Stylometric profile and Replication Blueprint

Out of Scope

  • SEO keyword optimization and content ranking → delegate to resonance-marketing-seo.
  • Triggered lifecycle program architecture, segmentation, cadence, and newsletter boundary → delegate to resonance-marketing-lifecycle.
  • Organic channel strategy, content calendar, repurposing plan, community distribution, and surface adaptation → delegate to resonance-marketing-content-distribution.
  • Paid audience, spend, angle-test design, and account structure → delegate to resonance-marketing-paid-acquisition.
  • Visual asset production, thumbnails, image prompts, and safe zones → delegate to resonance-design-studio.
  • Measurement design, attribution, sample size, and causal verdicts → delegate to resonance-marketing-analytics.

Read the full file on GitHub · 122 lines

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. 7d ago First seen · 122 lines · 82 tokens per session scan A 7531fb7a4ce2

Subscribe to this mod's changes

resonance-marketing-copywriter is a skill published in the GitHub repository manusco/resonance (37 stars, last pushed 2d ago), licensed MIT. It adds 82 tokens to every session and 2,547 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.

Related

Other skills, from other repositories

systematic-debugging

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

obra/superpowers · 21 tokens

local-ai-agents

Build local-first AI agents that run entirely on a developer workstation with Microsoft Foundry Local and Qwen function-calling models. Covers Small Language Models (SLMs), the OpenAI-compatible local endpoint, sandboxed local tools, local RAG with Chroma, local MCP servers, hybrid cloud/local routing, and the…

microsoft/ai-agents-for-beginners · 200 tokens

next-cache-components-adoption

Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces. Use when the user wants to enable, adopt, or migrate to Cache Components, flip the cacheComponents flag, work through a flood of blocking-prerender / instant validation errors, run the cache-components-instant-false codemod, or…

vercel/next.js · 95 tokens

chat-pet-sprite-creation

Use when creating or changing VS Code chat pet sprite art, sprite sheets, state animations, eye treatments, Stable/Insiders variants, or pet transitions under src/vs/workbench/contrib/chat/browser/widget/media/chatPet.

microsoft/vscode · 53 tokens

cpu-profile-analysis

Analyze V8/Chrome CPU profiles (.cpuprofile) and DevTools trace files (Trace-.json). Use when: profiling performance, investigating slow functions, comparing code paths, finding bottlenecks, analyzing timeToRequest, understanding call trees from sampling profiler data, analyzing layout/paint/rendering, investigating…

microsoft/vscode · 71 tokens

insight-error-page

Write or audit an insight-kind error page for the Next.js dev overlay. Use when creating a new errors/ .mdx page, auditing an existing one, or checking that a page matches the framework fix cards. Covers page structure, title alignment, FixCard cards with Copy prompt button, code snippets, terminology verification…

vercel/next.js · 83 tokens