cold-email
An agent skill by coreyhaines31, from coreyhaines31/marketingskills. Tags: automation, copywriting, email, prospecting, sales.
What it does
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 campaigns, sales development emails, or SDR emails. Also use when the user mentions "cold outreach," "prospecting email," "outbound email," "email to leads," "reach out to prospects," "sales email," "follow-up email sequence," "nobody's replying to my emails," or "how do I write a cold email." Covers subject lines, opening lines, body copy, CTAs, personalization, and multi-touch follow-up sequences. For warm/lifecycle email sequences, see emails. For sales collateral beyond emails, see sales-enablement.
Install
With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:
npx skills add coreyhaines31/marketingskills --skill cold-emailOr copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):
git clone --depth 1 https://github.com/coreyhaines31/marketingskills
cp -r marketingskills/skills/cold-email ~/.claude/skills/cold-emailSafety box score
Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.
Source
- Repository
- coreyhaines31/marketingskills (all skills from this repository)
- Path
- skills/cold-email/SKILL.md
- Branch
- main
- Collection
- marketingskills
- Updated
- 2026-09-21
Related skills
- emails — When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program.
- churn-prevention — When the user wants to reduce churn, build cancellation flows, set up save offers, recover failed payments, or implement retention strategies.
- revops — When the user wants help with revenue operations, lead lifecycle management, or marketing-to-sales handoff processes.
- sales-enablement — When the user wants to create sales collateral, pitch decks, one-pagers, objection handling docs, or demo scripts.
- setting-up-cloudwatch-alarm-notifications — Sets up notification channels for CloudWatch alarms using SNS topics and subscriptions.
- ad-creative — When the user wants to generate, iterate, or scale ad creative — headlines, descriptions, primary text.