cold-email

Write B2B cold emails and follow-up sequences that earn replies. Use when creating outbound prospecting emails, SDR outreach, personalized opening lines, subject lines, CTAs, and multi-touch follow-up sequences.

31,392 stars
Complexity: easy

About this skill

This skill transforms an AI agent into an expert cold email writer, capable of crafting highly effective B2B cold emails and strategic follow-up sequences that significantly increase reply rates. It goes beyond generic templates to produce emails that sound sharp, thoughtful, and human, not like automated sales pitches. The skill is adept at generating compelling outbound prospecting emails, personalized opening lines, engaging subject lines, clear calls-to-action (CTAs), and comprehensive multi-touch follow-up sequences, making it an invaluable tool for sales development representatives (SDRs) and anyone involved in outbound outreach.

Best use case

Crafting outbound prospecting emails, developing strategic cold follow-up sequences, enhancing SDR outreach efforts, and generating personalized email components like subject lines, opening lines, and calls-to-action (CTAs) for B2B communication.

Write B2B cold emails and follow-up sequences that earn replies. Use when creating outbound prospecting emails, SDR outreach, personalized opening lines, subject lines, CTAs, and multi-touch follow-up sequences.

Well-crafted, personalized B2B cold emails and follow-up sequences that sound human and thoughtful, leading to higher open rates, increased reply rates, and ultimately, more qualified leads and sales opportunities. The generated content will be optimized for engagement and conversion.

Practical example

Example input

Write a cold email to potential clients who are struggling with outdated CRM systems, offering our AI-driven CRM migration and optimization services. Focus on pain points like data integrity issues and missed sales opportunities. Include a clear call-to-action for a 20-minute discovery call. Provide a 2-step follow-up sequence.

Example output

Subject: [Client Company Name]: Outgrowing Your CRM? 

Hi [Prospect Name],

I noticed [Client Company Name] operates in [Client Industry], where efficient customer relationship management is absolutely critical. Many companies we work with find their existing CRM systems, while once sufficient, are now causing headaches with data silos, missed opportunities, and a lack of actionable insights.

Our AI-driven CRM migration and optimization services specialize in transforming these challenges. We help businesses like yours transition smoothly to modern, more powerful platforms, ensuring data integrity and unlocking new sales efficiencies. Imagine a CRM that actively helps you identify and pursue opportunities, rather than just store data.

Would you be open to a brief 20-minute discovery call next week to explore how a tailored CRM strategy could significantly impact [Client Company Name]'s growth? You can schedule directly here: [Link to Calendar]

Best regards,

[Your Name]
[Your Title]
[Your Company]

---

**Follow-up 1 (3 days later)**

Subject: Following Up: CRM Efficiency for [Client Company Name]

Hi [Prospect Name],

Just circling back on my previous email. I understand how busy things can get, but I genuinely believe addressing CRM inefficiencies could be a game-changer for [Client Company Name], especially regarding [mention a specific industry challenge related to CRM, e.g., 'customer churn reduction' or 'pipeline forecasting accuracy'].

No pressure at all, but if enhancing your sales and customer management capabilities is a priority, I'm confident our approach could offer significant value. The link to book a quick chat is here if you're interested: [Link to Calendar]

Thanks,

[Your Name]

---

**Follow-up 2 (5 days after Follow-up 1)**

Subject: Quick thought: Missing out on [Specific Benefit, e.g., '15% more qualified leads']?

Hi [Prospect Name],

One last thought on the CRM front: businesses often underestimate the hidden costs of an underperforming system – not just in manual effort, but in missed revenue. We've helped clients uncover and convert substantial opportunities simply by optimizing their CRM.

If this resonates, even a brief conversation could highlight areas for improvement. Let me know if a quick 15-minute call fits into your schedule.

Regards,

[Your Name]

When to use this skill

  • When writing outbound prospecting emails or cold follow-up sequences; when the primary goal is to get replies from recipients with whom there is no existing relationship; when the user requires sharper subject lines, personalized opening lines, compelling CTAs, and structured follow-up sequences.

When not to use this skill

  • When interacting with existing customers or warm leads where a pre-established relationship dictates a different communication style; for internal communications or transactional emails that do not require a persuasive, reply-oriented approach; when the objective is simply to inform rather than to initiate a conversation or sales process; for mass, untargeted email blasts without any personalization.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/cold-email/SKILL.md --create-dirs "https://raw.githubusercontent.com/sickn33/antigravity-awesome-skills/main/plugins/antigravity-awesome-skills-claude/skills/cold-email/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/cold-email/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How cold-email Compares

Feature / Agentcold-emailStandard Approach
Platform SupportClaudeLimited / Varies
Context Awareness High Baseline
Installation ComplexityeasyN/A

Frequently Asked Questions

What does this skill do?

Write B2B cold emails and follow-up sequences that earn replies. Use when creating outbound prospecting emails, SDR outreach, personalized opening lines, subject lines, CTAs, and multi-touch follow-up sequences.

Which AI agents support this skill?

This skill is designed for Claude.

How difficult is it to install?

The installation complexity is rated as easy. You can find the installation instructions above.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

Related Guides

SKILL.md Source

# 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.

## When to Use

- Use when writing outbound prospecting emails or cold follow-up sequences.
- Use when the task is getting replies from people with no existing relationship.
- Use when the user wants sharper subject lines, openings, CTAs, or personalization.

## 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](references/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](references/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](references/subject-lines.md) for the full data.

---

## Follow-Up Sequences

Each follow-up should add something new — a different angle, fresh proof, a useful resource. "Just checking in" gives the reader no reason to respond.

- 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](references/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](references/benchmarks.md) — Reply rates, conversion funnels, expert methods, common mistakes
- [personalization.md](references/personalization.md) — 4-level personalization system, research signals
- [subject-lines.md](references/subject-lines.md) — Subject line data and optimization
- [follow-up-sequences.md](references/follow-up-sequences.md) — Cadence, angles, breakup emails
- [frameworks.md](references/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

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