How I Built a WhatsApp Chat Analyzer Powered by Claude AI

I'm building MatchMGT — a personal CRM for dating app users. Think of it as Tinder meets HubSpot: you manage your matches, track conversations, set reminders, and get AI-powered suggestions. One of its most popular features is the WhatsApp chat analyzer. Here's how I built it. The Problem If you use dating apps seriously, you've been there: you matched with someone weeks ago, had a good conversation, and now you want to reconnect — but you don't remember what you talked about, what they liked, or what topics you left hanging. I wanted to solve that. Instead of scrolling through hundreds of messages manually, I built a feature that lets you paste a WhatsApp export and get back a structured analysis in seconds. How WhatsApp Exports Work WhatsApp lets you export any chat as a .txt file. The format looks like this: _ 12/3/2024, 10:45 AM - Sofia: Did you watch that series I recommended? 12/3/2024, 10:47 AM - You: Not yet! Which one was it again?_ Each line has a timestamp, sender name, and