cold-email-copywriting

cold-email-copywriting is a skill for Cursor from bcharleson/cursor-for-gtm-demo. It costs 61 tokens per session (1,588 once invoked), scanned A, original, MIT.

A writing and review guide for cold emails, which are unsolicited messages to potential customers or contacts. It focuses on a clear problem, useful offer, and low-effort next step in a short, mobile-friendly message.

In plain words
What is it for?
Use it to draft, edit, or critique prospecting emails and other outbound sales messages. It supports a hook–bridge–call-to-action structure and tool-specific merge fields.
Why use it?
It helps remove generic introductions, empty compliments, long explanations, and aggressive sales language. The result is copy that quickly explains why the message is relevant.

Skill for Cursor

Written for Cursor: installed under .cursor/.

Good fit Use it to draft, edit, or critique prospecting emails and other outbound sales messages. It supports a hook–bridge–call-to-action structure and tool-specific merge fields.

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Install with agentmods
npx agentmods add skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add bcharleson/cursor-for-gtm-demo --skill cold-email-copywriting
Clone the repo
git clone --depth 1 https://github.com/bcharleson/cursor-for-gtm-demo

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for cold-email-copywriting

README.md
[![agentmods](https://agentmods.dev/badge/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting/github.svg)](https://agentmods.dev/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting)
Your own site
<a href="https://agentmods.dev/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting"><img src="https://agentmods.dev/badge/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cold-email-copywriting

Your own site · 80×15
<a href="https://agentmods.dev/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting"><img src="https://agentmods.dev/badge/skills/bcharleson/cursor-for-gtm-demo/cold-email-copywriting.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,588 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00061 $0.01588
Opus 5 $0.00030 $0.00794
Sonnet 5 $0.00012 $0.00318
Haiku 4.5 $0.00006 $0.00159

Measured 11d ago against content hash 78dada00e00d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

cold-email-copywriting scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/skills/cold-email-copywriting/SKILL.md · 172 lines

How it starts

The opening of the file, as written. The whole thing — 172 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cold Email Copywriting

Cold email copy must be relevant, not relational. The prospect is a stranger — they do not care about small talk, shared alumni networks, or geographic coincidence. Value must be obvious in seconds.

Core Principle: The Stain Remover Pen

Imagine standing next to someone in an elevator who has a food stain on their white shirt they cannot see. You have a stain remover pen. You say:

"I noticed a stain on your shirt. I have a stain remover pen that'll take it out right now — want to try it?"

They immediately understand the pain, the fix, and the low effort to accept. No rapport required. Cold email works the same way — spot a real problem, offer a clear fix, make saying yes effortless.

What Never to Write

Reject and rewrite copy that includes:

  • "I hope this email finds you well"
  • "I love what you're doing at [company]"
  • "Your profile is amazing"
  • "I noticed we both went to [university]"
  • "I'll be in your area next week"
  • Generic compliments with no tied value
  • Long paragraphs or essay-style pitches
  • Obvious sales pressure — if they feel sold to, defenses go up

Merge Tags (Variables)

Merge tag syntax is tool-specific. Wrong casing means tags will not render and prospects see literal {{firstName}} in the inbox.

Default: camelCase — matches Instantly and most modern sequencers:

Field Tag
First name {{firstName}}
Last name {{lastName}}
Company {{companyName}}
Sender first name {{senderFirstName}}

Before drafting or reviewing copy, confirm which sequencer or ESP the user sends from (e.g. Instantly, Smartlead, Lemlist, Outreach). Use that tool's exact tag names and casing. If unknown, default to camelCase and flag for the user to verify against their platform docs.

Never use snake_case (e.g. {{first_name}}) unless the user's tool explicitly requires it.

Email Structure

Every cold email follows four parts. Keep the full message short and mobile-optimized — readable on a phone without scrolling.

Read the full file on GitHub · 172 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 172 lines · 61 tokens per session scan A 78dada00e00d

Subscribe to this mod's changes

cold-email-copywriting is a skill published in the GitHub repository bcharleson/cursor-for-gtm-demo (2 stars, last pushed 2mo ago), licensed MIT. It adds 61 tokens to every session and 1,588 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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