Mr. Guy Invests

Learn investing like a game. Bite-sized lessons, a $100K practice portfolio, and Mr. Guy — an AI mascot who explains anything about money in plain English. Built for people who were never taught how money works.

Live at www.mrguyinvests.com

Features

• Learn the Basics — bite-sized lessons with XP, streaks, and levels (Duolingo mechanics, but for investing)
• $100K Challenge — trade real stocks at real prices with $100,000 of virtual cash; climb the live leaderboard
• Ask Mr. Guy — AI chat that answers any stock or money question like a smart friend, never like a bank
• Investing Dictionary — every confusing finance term explained simply; public glossary pages are free with no account
• Stock Research — live quotes, charts, fundamentals, news, and AI breakdowns for any ticker
• Markets — live overview of indices, crypto, commodities, sectors, and the Fear & Greed index

Tech Stack

Layer	Technology
Framework	Next.js 14 (App Router)
Language	TypeScript
Styling	Tailwind CSS
Database	PostgreSQL via Prisma ORM
Auth	NextAuth.js (email/password + email verification)
AI	Anthropic Claude API
Stock Data	Yahoo Finance
Payments	Stripe ($4.99/mo Pro tier)
Deployment	Vercel (deploys on push to main)

Local Development

npm install
npm run dev        # needs .env.local (DATABASE_URL, NEXTAUTH_SECRET, ANTHROPIC_API_KEY, ...)

npm run build runs prisma migrate deploy first, which requires DATABASE_URL. To build without touching the database: npx next build.

Free vs Pro

Free: all lessons, the full $100K Challenge, dictionary, markets, watchlist, and daily-limited AI (3 Mr. Guy chats/day, 2 AI stock breakdowns/day). Pro ($4.99/mo): no daily limits, a second $100K portfolio, exclusive themes.

Disclaimer

For informational and educational purposes only. Not financial advice. Always consult a qualified professional before investing.