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mariokarras

Cold Email

by Mario Karras · GitHub ↗ · v1.0.0 · MIT-0
cross-platform ✓ Security Clean
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Install in OpenClaw
/install abm-cold-email
Description
Write B2B cold emails and follow-up sequences that get replies. Use when the user wants to write cold outreach emails, prospecting emails, cold email campaig...
README (SKILL.md)

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.

Prospect Research

Before writing, research the prospect using Exa to find relevant signals:

node tools/clis/exa.js search "company name + recent news"
node tools/clis/exa.js search "prospect name + role"

Look for: funding announcements, hiring signals, product launches, blog posts, LinkedIn activity — anything that creates a natural opening for the email.


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 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 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:

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
Usage Guidance
This skill appears to be what it says: a cold-email writing guide with examples and templates. Before installing or enabling it for autonomous use, check the following: (1) Inspect any .agents/product-marketing-context.md or .claude/product-marketing-context.md files the agent may read — they can contain internal/product or sensitive data you may not want automatically consumed. (2) Confirm whether your agent environment has the referenced local CLI (tools/clis/exa.js); if present, review that CLI's behavior and what network access it has. (3) If you are concerned about automatic file reads, restrict the agent's filesystem access or remove/rename the context files. (4) Remember this skill does not request external credentials, but the agent could still be instructed to query external sources according to the guidance — ensure that any research activity complies with your privacy and compliance rules.
Capability Analysis
Type: OpenClaw Skill Name: abm-cold-email Version: 1.0.0 The 'cold-email' skill bundle is a comprehensive set of instructions and reference materials designed to help an AI agent write B2B sales outreach. It includes well-documented copywriting frameworks, performance benchmarks, and personalization strategies. The only functional code interaction involves a legitimate tool call to 'tools/clis/exa.js' for prospect research and a check for a local context file (product-marketing-context.md), both of which are consistent with the stated purpose and show no signs of malicious intent or data exfiltration.
Capability Assessment
Purpose & Capability
Name and description match the included guidance, benchmarks, frameworks, and follow-up templates. The skill is instruction-only and does not ask for unrelated credentials, binaries, or system-level access that would be out of scope for a cold-email writer.
Instruction Scope
SKILL.md directs the agent to check for and read .agents/product-marketing-context.md (or .claude/product-marketing-context.md) and to perform prospect research using a local CLI (node tools/clis/exa.js). Reading a product-marketing-context file and using a research tool is coherent with personalization needs, but it does mean the agent will be instructed to access files in the agent workspace and to run a local Node CLI if available — verify those files and the CLI don't contain sensitive secrets or unexpected behavior.
Install Mechanism
No install spec or code files that would be downloaded and executed are present; the skill is instruction-only, so nothing is written to disk by the skill itself during install.
Credentials
The skill declares no environment variables, credentials, or config paths. The only data access it requests is to optional local context files and optional local tooling for prospect research, which are proportionate to personalization objectives but should be reviewed for sensitive content.
Persistence & Privilege
always is false and the skill does not request elevated or permanent platform privileges. It does not modify other skills or system settings. Autonomous invocation is allowed by default (platform normal) but is not combined with other concerning privileges.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install abm-cold-email
  3. After installation, invoke the skill by name or use /abm-cold-email
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Initial release of the cold email writing skill, focused on high-reply B2B outreach. - Provides detailed frameworks for cold email and follow-up sequence writing, including subject lines, CTAs, personalization, and proof points. - Includes research guidance via prospect signals and Exa queries to maximize relevance. - Emphasizes concise, highly personalized, and peer-level communication. - Offers quality checks, best-practice guidelines, and extensive reference materials for benchmarks and frameworks. - Differentiates scope from lifecycle emails and other sales collateral.
Metadata
Slug abm-cold-email
Version 1.0.0
License MIT-0
All-time Installs 0
Active Installs 0
Total Versions 1
Frequently Asked Questions

What is Cold Email?

Write B2B cold emails and follow-up sequences that get replies. Use when the user wants to write cold outreach emails, prospecting emails, cold email campaig... It is an AI Agent Skill for Claude Code / OpenClaw, with 163 downloads so far.

How do I install Cold Email?

Run "/install abm-cold-email" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is Cold Email free?

Yes, Cold Email is completely free, licensed under MIT-0. You can download, install and use it at no cost.

Which platforms does Cold Email support?

Cold Email is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created Cold Email?

It is built and maintained by Mario Karras (@mariokarras); the current version is v1.0.0.

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