A comprehensive AI usasge tracking system that monitors your interactions with ChatGPT and Claude while calculating your carbon footprint. Features a Next.js dashboard, Node.js backend with Firebase, and a Chrome extension for real-time tracking.

• Real-time statistics for daily and lifetime AI usage
• Interactive weekly activity charts
• Year-long heatmap visualiztion (similar to Github's commit map)
• Global leaderboard
• Customizable daily limits for prompts and CO2 emissions
• Carbon offset resources and recommendations

• Automatic prompt and response tracking for ChatGPT and Claude
• Real-time badge updates with color coded usage levels
• Limit exceeded notifications
• Model-specific tracking and CO2 calculations
• Secure Firebase authentication integration

• RESTful API with Express.js
• Firebase Firestore for data persistence
• Automatic daily history tracking
• JWT authentication for secure API access
• CORS support for web and extension clients

┌─────────────────┐
│  Chrome Ext     │
│  (injected.js)  │
└────────┬────────┘
         │
         ▼
┌─────────────────┐      ┌──────────────┐
│  Chrome Ext     │◄────►│  Next.js     │
│  (background.js)│      │  Dashboard   │
└────────┬────────┘      └──────┬───────┘
         │                       │
         └───────────┬───────────┘
                     ▼
         ┌───────────────────────┐
         │   Node.js Backend     │
         │   Express + Firebase  │
         └───────────────────────┘