list-growth-designer

list-growth-designer is a skill for Claude Code from aaron-he-zhu/aaron-marketing-skills. It costs 160 tokens per session (2,731 once invoked), scanned A, original, Apache-2.0.

A planning skill for growing an owned email subscriber list. It covers ways to attract subscribers, signup incentives, consent-based confirmation flows, and referral programs.

In plain words
What is it for?
Use it to choose acquisition channels, design lead magnets, specify double opt-in signup flows, plan referral loops, and define growth measures.
Why use it?
It turns list-growth ideas into a structured plan while clarifying which later tools must build the forms, emails, and consent records.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: mentions Claude Code; built for openclaw.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is Emit the standard shape from [skill-contract.md §Handoff Summary Format](../../../references/skill-contract.md)..

Part of the aaron-marketing plugin — 120 skills shipped together , and of aaron-marketing

Good fit Use it to choose acquisition channels, design lead magnets, specify double opt-in signup flows, plan referral loops, and define growth measures.

Compare 6 skills from other repositories ↓
About the project

aaron-marketing-skills is a collection of 120 AI-agent skills covering marketing work such as brand narrative, search optimization, social media, email, advertising, influencer campaigns, and launches. Marketers and agent users can install it as a plugin, use its portable skills, or run its described bot team. The catalogue entries are components of this marketing workflow.

aaron-he-zhu/aaron-marketing-skills · 2,767 stars · on GitHub · aaronmarketing.ai

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/aaron-he-zhu/aaron-marketing-skills
agentmods
npx agentmods add skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer

Made for: Claude Code.

Or install aaron-marketing, the plugin that ships this one along with the rest of its 120 skills.

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 list-growth-designer

README.md
[![agentmods](https://agentmods.dev/badge/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer/github.svg)](https://agentmods.dev/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer)
Your own site
<a href="https://agentmods.dev/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer"><img src="https://agentmods.dev/badge/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer/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 list-growth-designer

Your own site · 80×15
<a href="https://agentmods.dev/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer"><img src="https://agentmods.dev/badge/skills/aaron-he-zhu/aaron-marketing-skills/list-growth-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 160 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,731 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
  • Socket pass 2 Sept 2026
  • Snyk pass 2 Sept 2026
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 71
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 $0.00160 $0.02731
Opus 5 $0.00080 $0.01366
Sonnet 5 $0.00032 $0.00546
Haiku 4.5 $0.00016 $0.00273

Measured 10d ago against content hash 00344324db7b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

list-growth-designer 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.

email/setup/list-growth-designer/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

List Growth Designer

Plans how to grow an owned email list — acquisition channels, lead-magnet / incentive concepts, a compliant opt-in capture-flow spec, and referral-loop mechanics — and defines the growth metrics that gate whether it is working. It is the strategy layer at the top of the funnel: it decides what to offer and how subscribers enter, so that consent is captured cleanly (the upstream of the SEND-S2 red line) and each new subscriber lands in a lifecycle (SEND-N). It does not build the signup page, write the confirmation email, or record the opt-in — it hands those to the owning skills.

Scope guard: this skill designs the growth strategy + a compliant capture-flow spec only. It does not build the signup form / popup UX (that is landing-optimizer), write the welcome / double-opt-in confirmation emails (that is email-creative-builder for copy and email-sequence-designer for the flow), record the opt-in (consent-registry is the sole writer of memory/consent/), compute the EQS or run the vetoes (email-quality-auditor), or model newsletter monetization (newsletter-monetization-planner). It works one lever — acquisition — and hands off.

Quick Start

Plan how to grow my email list for [audience]. Current signup: [where/how]. Goal: [+N subscribers / rate] over [period].
Design a lead magnet + a compliant double-opt-in flow for [offer]. Jurisdiction: [US / EU / Canada].
Set up a referral / recommendation loop for my newsletter — here's the current list size and signup source.

Skill Contract

Expected output: a list-growth plan (channels + lead-magnet / incentive concepts), a compliant opt-in capture-flow spec (single vs double opt-in, what consent evidence to capture at the point of signup), referral-loop mechanics, subscriber-growth / cost-per-opt-in targets (labeled Estimated / User-provided), and the standard handoff summary.

Read the full file on GitHub · 89 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. 10d ago Changed 00344324db7b
  2. 13d ago First seen · 89 lines · 160 tokens per session scan A f7271aa153f2

Subscribe to this mod's changes

list-growth-designer is a skill published in the GitHub repository aaron-he-zhu/aaron-marketing-skills (2,767 stars, last pushed today), licensed Apache-2.0. It adds 160 tokens to every session and 2,731 once invoked, about $0.0008 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.