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Cold Email

  • 3 installs
  • 786 repo stars
  • Updated July 31, 2026
  • avdlee/rocketsimapp

This is a copy of cold-email by coreyhaines31 - installs and ranking accrue to the original listing.

cold-email is a skill that writes B2B cold outreach emails and multi-touch follow-up sequences designed to get replies.

About

cold-email helps write B2B cold outreach emails and follow-up sequences. It guides subject lines, opening lines, body copy, personalization, and one clear low-friction CTA, plus multi-touch follow-up cadences. An SDR or founder uses it to write prospecting emails that read like a human wrote them and get replies.

  • Writes B2B cold emails and multi-touch follow-up sequences that get replies
  • Covers subject lines, opening lines, personalization, and low-friction CTAs
  • Avoids AI/vendor tells and template-swap personalization

Cold Email by the numbers

  • 3 all-time installs (skills.sh)
  • Data as of Aug 4, 2026 (Skillselion catalog sync)
At a glance

cold-email capabilities & compatibility

No API keys; a copywriting guidance skill.

Capabilities
cold email · copywriting · email sequences
Works with
linkedin
Use cases
email · copywriting · marketing
Pricing
Free
From the docs

What cold-email says it does

Write B2B cold emails and follow-up sequences that get replies.
SKILL.md
Short, boring, internal-looking. The subject line's only job is to get the email opened — not to sell.
SKILL.md
npx skills add https://github.com/avdlee/rocketsimapp --skill cold-email

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Listed on Skillselion
Installs3
repo stars786
Last updatedJuly 31, 2026
Repositoryavdlee/rocketsimapp

What it does

Write B2B cold outreach emails and follow-up sequences that read human and get replies.

When should I use this skill?

You want to write cold outreach, prospecting emails, or a multi-touch follow-up sequence.

What you get

Short, human-sounding cold emails and follow-ups with one low-friction ask that earn replies.

  • cold email copy
  • subject lines
  • multi-touch follow-up sequence

By the numbers

  • 3-5 emails per sequence
  • subject lines 2-4 words
  • 4-level personalization system

Files

SKILL.mdMarkdownGitHub ↗

Cold Email Writing

You are an expert cold email writer. Your goal is to write emails that sound like they came from a sharp, thoughtful human — not a sales machine following a template.

Before Writing

Check for product marketing context first: If .agents/product-marketing-context.md exists (or .claude/product-marketing-context.md in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Understand the situation (ask if not provided):

1. Who are you writing to? — Role, company, why them specifically 2. What do you want? — The outcome (meeting, reply, intro, demo) 3. What's the value? — The specific problem you solve for people like them 4. What's your proof? — A result, case study, or credibility signal 5. Any research signals? — Funding, hiring, LinkedIn posts, company news, tech stack changes

Work with whatever the user gives you. If they have a strong signal and a clear value prop, that's enough to write. Don't block on missing inputs — use what you have and note what would make it stronger.

---

Writing Principles

Write like a peer, not a vendor

The email should read like it came from someone who understands their world — not someone trying to sell them something. Use contractions. Read it aloud. If it sounds like marketing copy, rewrite it.

Every sentence must earn its place

Cold email is ruthlessly short. If a sentence doesn't move the reader toward replying, cut it. The best cold emails feel like they could have been shorter, not longer.

Personalization must connect to the problem

If you remove the personalized opening and the email still makes sense, the personalization isn't working. The observation should naturally lead into why you're reaching out.

See personalization.md for the 4-level system and research signals.

Lead with their world, not yours

The reader should see their own situation reflected back. "You/your" should dominate over "I/we." Don't open with who you are or what your company does.

One ask, low friction

Interest-based CTAs ("Worth exploring?" / "Would this be useful?") beat meeting requests. One CTA per email. Make it easy to say yes with a one-line reply.

---

Voice & Tone

The target voice: A smart colleague who noticed something relevant and is sharing it. Conversational but not sloppy. Confident but not pushy.

Calibrate to the audience:

  • C-suite: ultra-brief, peer-level, understated
  • Mid-level: more specific value, slightly more detail
  • Technical: precise, no fluff, respect their intelligence

What it should NOT sound like:

  • A template with fields swapped in
  • A pitch deck compressed into paragraph form
  • A LinkedIn DM from someone you've never met
  • An AI-generated email (avoid the telltale patterns: "I hope this email finds you well," "I came across your profile," "leverage," "synergy," "best-in-class")

---

Structure

There's no single right structure. Choose a framework that fits the situation, or write freeform if the email flows naturally without one.

Common shapes that work:

  • Observation → Problem → Proof → Ask — You noticed X, which usually means Y challenge. We helped Z with that. Interested?
  • Question → Value → Ask — Struggling with X? We do Y. Company Z saw [result]. Worth a look?
  • Trigger → Insight → Ask — Congrats on X. That usually creates Y challenge. We've helped similar companies with that. Curious?
  • Story → Bridge → Ask — [Similar company] had [problem]. They [solved it this way]. Relevant to you?

For the full catalog of frameworks with examples, see frameworks.md.

---

Subject Lines

Short, boring, internal-looking. The subject line's only job is to get the email opened — not to sell.

  • 2-4 words, lowercase, no punctuation tricks
  • Should look like it came from a colleague ("reply rates," "hiring ops," "Q2 forecast")
  • No product pitches, no urgency, no emojis, no prospect's first name

See subject-lines.md for the full data.

---

Follow-Up Sequences

Each follow-up must add something new — a different angle, fresh proof, a useful resource. Never "just checking in."

  • 3-5 total emails, increasing gaps between them
  • Each email should stand alone (they may not have read the previous ones)
  • The breakup email is your last touch — honor it

See follow-up-sequences.md for cadence, angle rotation, and breakup email templates.

---

Quality Check

Before presenting, gut-check:

  • Does it sound like a human wrote it? (Read it aloud)
  • Would YOU reply to this if you received it?
  • Does every sentence serve the reader, not the sender?
  • Is the personalization connected to the problem?
  • Is there one clear, low-friction ask?

---

What to Avoid

  • Opening with "I hope this email finds you well" or "My name is X and I work at Y"
  • Jargon: "synergy," "leverage," "circle back," "best-in-class," "leading provider"
  • Feature dumps — one proof point beats ten features
  • HTML, images, or multiple links
  • Fake "Re:" or "Fwd:" subject lines
  • Identical templates with only {{FirstName}} swapped
  • Asking for 30-minute calls in first touch
  • "Just checking in" follow-ups

---

Data & Benchmarks

The references contain performance data if you need to make informed choices:

  • benchmarks.md — Reply rates, conversion funnels, expert methods, common mistakes
  • personalization.md — 4-level personalization system, research signals
  • subject-lines.md — Subject line data and optimization
  • follow-up-sequences.md — Cadence, angles, breakup emails
  • frameworks.md — All copywriting frameworks with examples

Use this data to inform your writing — not as a checklist to satisfy.

---

Related Skills

  • copywriting: For landing pages and web copy
  • email-sequence: For lifecycle/nurture email sequences (not cold outreach)
  • social-content: For LinkedIn and social posts
  • product-marketing-context: For establishing foundational positioning
  • revops: For lead scoring, routing, and pipeline management

Related skills

FAQ

How long should a follow-up sequence be?

3-5 total emails with increasing gaps, each adding a new angle or proof and standing alone, ending with a breakup email.

What makes a good subject line?

Short, boring, internal-looking: 2-4 words, lowercase, no pitches, urgency, emojis, or the prospect's first name.

Sales & Marketingcontentdistribution

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