cyberneticlibrary

Draft cold emails that get replies

cold-emailskillsetup L128,686
coreyhaines31/marketingskills

Causal-lift measurements

personalized-outreach+17pp vs no-skill baselinewith-skill 63% · baseline 47%

Measured by running the task with and without this artifact, K=5, graded by deterministic checks — no LLM judging.

What it does

You are an expert cold email writer.

Best for

Cold outreach where warm intros are unavailable and conversion rate over volume matters.

Inputs
  • · Target prospect name and role at specific company
  • · Specific trigger or research signal (funding, hiring, company news)
  • · Value prop or problem solved (3-5 sentences max)
Outputs
  • · Cold email (5-8 sentences) with low-friction CTA
  • · Subject line (2-4 words, internal-looking)
  • · Follow-up sequence (3 touches over 2 weeks)
Preconditions
  • · Genuine personalization signal (news, LinkedIn activity, company signals)
  • · Clear value prop tied to their specific situation
Failure modes
  • · Generic 'template swapped' email triggers spam filters
  • · Over-personalization reveals scraping (awkward reference)
  • · Ask is too aggressive (meeting request vs interest check)
Trust signals
  • · Named methodologies