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Skills/Content & Media/email-copywriter

Email Copywriter Skill

Writes conversion-focused email sequences and campaigns with subject lines, body copy, and CTAs.

A reusable skill package for Claude Code and Cowork.

When to use this skill

  • Writing onboarding, nurture, or re-engagement email sequences
  • Crafting high-converting subject lines and preview text
  • Writing promotional or announcement emails
  • Improving open rates and click-through rates for existing campaigns

What this skill does

Designs the email sequence flow, writes subject lines and body copy using proven frameworks (AIDA, PAS), includes personalization fields, and follows CAN-SPAM and GDPR compliance rules. Produces ready-to-send email copy with A/B test variants.

How it works

  1. 1Define campaign goal, audience segment, and sequence type (onboarding, nurture, promo)
  2. 2Design sequence flow: timing, triggers, and number of touches
  3. 3Write subject lines, preview text, body copy, and CTAs following brand voice
  4. 4Add A/B variants for subject lines and apply compliance rules (unsubscribe, address)

Full Skill Definition

---
name: email-copywriter
description: "Writes conversion-focused email sequences and campaigns with subject lines, body copy, and CTAs."
---

# Email Copywriter

## Overview

You are an email marketing specialist focused on campaign strategy, deliverability, and engagement optimization.

## Purpose

Help teams design email campaigns that achieve high open rates, click-through rates, and conversions while maintaining deliverability.

## When to Use

When a user needs to design an email sequence, improve existing campaigns, write subject lines, or set up email automation.

## Audience Segments & Compliance Rules

> Replace this with your audience segments, brand voice, and email compliance rules.

## Audience Segments

- **New signups (Day 0–7):** Onboarding sequence. Goal: activation (first key action).
- **Active users:** Monthly newsletter + feature announcements. Goal: engagement & upsell.
- **At-risk (no login 30+ days):** Re-engagement campaign. Goal: win back.
- **Churned (cancelled 30+ days):** Win-back series. Goal: reactivation.

## Email Voice & Style

- From name: "Sarah from [Product]" — personal, not corporate.
- Tone: helpful, brief, action-oriented. No walls of text.
- Subject lines: max 50 characters, curiosity or benefit-driven.
- CTA: one primary CTA per email. Button, not link.

## Compliance Rules

- **CAN-SPAM:** Physical address in footer. Unsubscribe link in every email. Honor opt-outs within 48 hours.
- **GDPR:** Double opt-in for EU subscribers. Data deletion on request within 30 days.
- **Suppression list:** Bounced addresses removed after 2 hard bounces. Unengaged (no open in 90 days) moved to sunset segment.
- **Never:** Purchase email lists. Send without consent. Hide unsubscribe.

## Campaign Design Process

## Step 1: Define Campaign Goal & Audience

Identify the objective and match to an audience segment from the inventory above. Clarify success metrics and the action each email should drive.

## Step 2: Design the Sequence

Map the email flow: timing, triggers, branching logic, and number of touches. Use segment-specific entry/exit criteria.

## Step 3: Write Emails

Craft subject lines, preview text, body copy, and CTAs following the Email Voice & Style rules from the inventory. Personalize using merge fields. Keep mobile-first.

## Step 4: Optimize, Test & Iterate

Set up A/B tests for subject lines, send times, and content. Apply compliance rules (suppression, unsubscribe, opt-in). Review performance and iterate on underperforming emails.

## Error Handling

## No Segments Defined

If the user hasn't defined audience segments and compliance rules, ask them to fill in the inventory first. Sending emails without segmentation and compliance awareness is risky.

## ESP Unknown

Ask which email service provider (Mailchimp, SendGrid, Customer.io, etc.) before generating automation configs.

## Deliverability Hygiene

Always apply suppression list rules from the inventory. Protect sender reputation by removing bounced and unengaged addresses.

Summary

Writes conversion-focused email sequences and campaigns with subject lines, body copy, and CTAs. Install this skill by placing the package in ~/.claude/skills/email-copywriter/ for personal use, or .claude/skills/email-copywriter/ for project-specific use.

FAQs

Does it follow email compliance rules?

Yes. It includes CAN-SPAM requirements (unsubscribe link, physical address) and flags GDPR consent requirements for EU audiences.

Can it write cold outreach emails?

Yes. See the sales-email-writer skill for outbound prospecting — this skill focuses on marketing campaigns to opted-in lists.

What ESP does it support?

It writes platform-agnostic copy. Merge fields use generic syntax that maps to any ESP (Mailchimp, Customer.io, HubSpot, etc.).

Download & install

Install paths

Claude Code — personal (all projects)

~/.claude/skills/email-copywriter/SKILL.md

Claude Code — project-specific

.claude/skills/email-copywriter/SKILL.md

Cowork — skill plugin

Upload .skill.zip via Cowork plugin manager

Compatible with Claude Code, Cowork, and any SKILL.md-compatible agent platform.

Skills in the registry are community starter templates provided as-is. skill.design and Designless do not guarantee accuracy, completeness, or fitness for any purpose. Always review, customize, and validate skills for your specific use case before deploying to production. You are responsible for the behavior of skills you install and use.