How I Built an AI SDR Agent That Finds Leads and Writes Personalized Cold Emails

TL;DR I built LeadPilot — an AI-powered Sales Development Representative that automates lead discovery, company research, pain point analysis, and personalized cold email generation. A 4-agent AI pipeline does in 5 minutes what takes a human SDR 4+ hours. Here's how it works and what I learned building it. What is an AI SDR Agent? An SDR (Sales Development Representative) is the person who finds potential customers, researches them, and sends the first outreach message. It's the starting point of every sales pipeline. An AI SDR agent automates this entire process. Instead of manually searching LinkedIn, reading company websites, and writing individual emails, AI does it all — faster, more consistently, and at scale. LeadPilot handles 4 steps that would normally take hours: Find leads matching your target criteria Research each company by analyzing their website Identify pain points relevant to your offering Write personalized emails — not templates, genuinely personalized to each compa