Systems Lab

Skill library

bcharleson/claude-code-cold-email-skills

Open-source Claude Code skills for cold email — deliverability, copywriting, Conditional Question CTAs (Instantly Hormozi video)

MIT

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Stars
6
Commits
2
Last 90 days
2

commits

Contributors
1
Last push
2026-07-10
First commit
2026-07-10

repo created

3 skills

  • cold-email-copywriting

    Writes and reviews cold email copy — no fluff, hook-bridge-CTA structure, mobile-optimized length, curiosity-driven tone, low-friction CTAs. Use when drafting, editing, or critiquing cold emails, outbound messaging, sales emails, or prospecting copy.

    Self-containedInstructions only1,131 words
  • cold-email-deliverability

    Audits and guides cold email deliverability — plain text sending, SPF/DKIM/DMARC, ESP setup, recipient filters, and SEG awareness. Use when reviewing sending infrastructure, inbox placement, DNS records, email authentication, spam filters, Proofpoint, Mimecast, Barracuda, or deliverability before a campaign.

    Self-containedActs undeclared831 words
  • gtm-outreach

    Guides cold outreach strategy for email and LinkedIn using business-agnostic best practices. Use when planning, reviewing, or executing cold outreach, outbound sales, prospecting, GTM motions, or when the user mentions cold email, LinkedIn outreach, lead generation, or sales development.

    Self-containedInstructions only360 words

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