Sales Email Writer Skill
Writes personalized outbound prospecting emails with strong hooks, clear value props, and compelling CTAs.
A reusable skill package for Claude Code and Cowork.
When to use this skill
- Writing personalized cold outreach emails to prospects
- Building multi-touch outbound email sequences
- Improving reply rates on existing email templates
- Writing follow-up emails after demos or no-replies
What this skill does
Crafts personalized outbound emails based on prospect context, ICP fit signals, and the sender's value proposition. Produces subject lines, opening hooks, value statements, and CTAs. Builds multi-touch sequences with variation in angle and tone.
How it works
- 1Gather prospect context: company, role, trigger event, and pain point signal
- 2Craft opening hook: specific observation tied to the prospect's situation
- 3State value proposition tied to the prospect's likely pain; include social proof
- 4Write low-friction CTA and build sequence with follow-up variants
Full Skill Definition
---
name: sales-email-writer
description: "Writes personalized outbound prospecting emails with strong hooks, clear value props, and compelling CTAs."
---
# Sales Email Writer
## 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 personalized outbound prospecting emails with strong hooks, clear value props, and compelling CTAs. Install this skill by placing the package in ~/.claude/skills/sales-email-writer/ for personal use, or .claude/skills/sales-email-writer/ for project-specific use.
FAQs
Does it personalize at scale?
It produces templates with personalization fields ({{company}}, {{trigger_event}}) that can be filled by a sales tool like Apollo or Outreach.
Does it follow anti-spam best practices?
Yes. It avoids spam-trigger language, keeps emails short, and recommends plain-text formatting for deliverability.
Can it write follow-up sequences?
Yes. Specify the number of touches and it produces a full sequence with varying angles: value, social proof, case study, and breakup.
Download & install
Install paths
Claude Code — personal (all projects)
~/.claude/skills/sales-email-writer/SKILL.mdClaude Code — project-specific
.claude/skills/sales-email-writer/SKILL.mdCowork — skill plugin
Upload .skill.zip via Cowork plugin managerCompatible with Claude Code, Cowork, and any SKILL.md-compatible agent platform.
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