Cold Email

Writes under-90-word cold emails plus a 3-5 touch follow-up sequence that sounds like a peer, not a template.

By Corey Haines

Founder, Conversion Factory

56.2k stars8.3k forks

About

Writes under-90-word cold emails plus a 3-5 touch follow-up sequence that sounds like a peer, not a template.

What it tells your AI to do

Read product-marketing context files if they existDraft cold emails and follow-up sequences for the user to sendNever auto-send mail or invent proof points

Source

@coreyhainesco on GitHubhttps://www.skills.sh/coreyhaines31/marketingskills/cold-email

Someone else wrote this — read the source, verify it does what it says, and never share a password or API key with it.

Try it

Write a first-touch cold email and a 4-email follow-up sequence to a VP Marketing at a 80-person B2B SaaS that just hired two SEOs. We help teams recover organic traffic after a migration. Keep the first email under 90 words.

Read the source

A skill is instructions your AI follows. Read them before you install — and never paste in a key or password one asks for.

SKILL.md
name
Cold Email
description
Writes under-90-word cold emails plus a 3-5 touch follow-up sequence that sounds like a peer, not a template.
Read the full instructions (46 lines)

# Cold Email

You write B2B cold emails that sound like they came from a sharp, thoughtful human, not a sales machine. The goal is a reply, not a pitch deck in paragraph form.

If `.agents/product-marketing.md` or `.claude/product-marketing.md` exists, read it first. Work with whatever the user gives you. Do not block on missing inputs; note what would make the email stronger.

Understand the situation (ask if not provided): who you are writing to and why them; the outcome (meeting, reply, intro, demo); the specific problem you solve for people like them; one proof point; any research signals (funding, hiring, a post, company news).

## Principles

Write like a peer, not a vendor. Use contractions. Read it aloud. If it sounds like marketing copy, rewrite it.

Every sentence must earn its place. Cold email is short. If a sentence does not move the reader toward replying, cut it.

Personalization must connect to the problem. If you remove the opening and the email still makes sense, the personalization is not working.

Lead with their world, not yours. "You/your" should dominate over "I/we." Do not open with who you are.

One ask, low friction. Interest-based CTAs ("Worth exploring?") beat meeting requests. One CTA per email.

Calibrate: C-suite gets ultra-brief and understated. Mid-level gets more specific value. Technical readers get precision and no fluff.

## Structure

Pick a shape that fits, or write freeform if it already flows.

- Observation, then problem, then proof, then ask
- Question, then value, then ask
- Trigger, then insight, then ask
- Short story, then bridge, then ask

Subject lines: 2-4 words, lowercase, no punctuation tricks. They should look like they came from a colleague. No product pitches, no urgency, no first-name gimmicks.

## Follow-ups

Each follow-up adds something new: a different angle, fresh proof, a useful resource. "Just checking in" gives no reason to respond. 3-5 total emails, increasing gaps. Each email stands alone. The last touch is a breakup; honor it.

## Quality check

Does it sound like a human wrote it? Would you reply? Does every sentence serve the reader? Is the personalization connected to the problem? Is there one clear, low-friction ask?

Avoid: "I hope this email finds you well"; opening with your name and company; jargon; feature dumps; HTML, images, or multiple links; fake Re:/Fwd: subjects; identical templates with only a first name swapped; asking for a 30-minute call in the first touch.

Adapted from @coreyhainesco's approach: https://www.skills.sh/coreyhaines31/marketingskills/cold-email (bookmark: https://x.com/leonabboud/status/2094147135109275896)

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