OutboundPersonalization

Personalization Engine

Turn raw prospect data into compelling personalized email elements.

by kenny589·MIT·49 on GitHub·updated 2026-02-17
git clone https://github.com/kenny589/gtm-flywheel.git

Description

Turn raw prospect data into compelling personalized email elements. Signal detection, personalization layers, and variable frameworks that make cold emails feel warm.

What this skill does

  1. 1Maps personalization across 6 levels from Level 0 (spray and pray) to Level 5 (behavioral signal with non-obvious insight), with guidance on which level to target by deal size.
  2. 2Categorizes signals into 6 types ranked by conversion impact: hiring, funding, technology, content, company events, and performance signals, each with data sources and personalization angles.
  3. 3Builds personalization using the Observation + Implication + Bridge formula, distinguishing good personalization (insight from a fact) from bad (merely naming a fact).
  4. 4Designs a bucket strategy for high-volume campaigns: segments a list by signal type and writes 5 bucket-specific openers that feel individual but scale across thousands of leads.
  5. 5Scores each personalized element on a 0-5 quality scale with a minimum threshold of 3 for mid-market and 4 for enterprise before any email goes out.

When to use

  • Upgrading a list-based campaign from generic to signal-based personalization to improve reply rates.
  • Designing variable architecture for email templates that need to feel tailored without requiring manual research per lead.
  • Training SDRs or AI systems on what 'good personalization' looks like with scored examples.
  • Building a high-volume outbound workflow (1000+ leads) that needs bucket-level personalization without one-by-one research.

Tools used

HubSpot· CRMSalesforce· CRMZoomInfo· EnrichmentCrunchbase· EnrichmentBuiltWith· EnrichmentLinkedIn· Social

Best for

Sales Development RepGTM Engineer

Format

FrameworkTemplateWorkflowAnalyzerPlaybook

Frequently asked questions

What is Personalization Engine?

Personalization Engine is a Claude Code skill for outbound by kenny589. Turn raw prospect data into compelling personalized email elements.

When should I use Personalization Engine?

Upgrading a list-based campaign from generic to signal-based personalization to improve reply rates. Designing variable architecture for email templates that need to feel tailored without requiring manual research per lead.

How do I install Personalization Engine?

Run the install command (git clone https://github.com/kenny589/gtm-flywheel.git). Once the skill is in place, Claude Code loads it automatically whenever a task matches what it does.

Is Personalization Engine free to use?

Yes. Personalization Engine is open source under the MIT license, published in the kenny589/gtm-flywheel repository on GitHub.

Source repository

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