The Claude Code Lead Enrichment Guide

How to enrich your account list with verified contact data without Clay as the middleman

Table of Contents

Introduction

• What This Guide Does

• Who It Is For

• What You Will Have by the End

  • Provider connected and verified

  • Working /enrich Skill file

  • Fully enriched companies.csv

  • Clear decision framework for Clay

  • Reusable enrichment system

• What You Need Before You Start

  • A raw account list in companies.csv

  • Claude Code installed and working

  • VS Code installed and working

  • An API key for your chosen enrichment provider

Part 1: How MCP Enrichment Works

• Why Clay Became the Default Enrichment Tool

• What MCP Changes About the Enrichment Equation

• The Direct Connection Model Explained

  • Step 1: Install an MCP server for your provider

  • Step 2: Pass your API key as a secure environment variable

  • Step 3: Scope the connection to your project folder

  • Step 4: Claude Code queries the provider directly

  • Step 5: Output goes directly into your companies.csv

• What This Stack Costs vs What Clay Costs

  • Clay costs at founding team scale

  • This stack cost…