Check Mate 🎯

A Chrome extension for real-time fact-checking of tweets using Perplexity Sonar.

Features

• 🔍 One-click fact checking of tweets
• ⚡ Real-time analysis using Perplexity Sonar
• 🎯 Claim-by-claim verification
• 📋 Easy copy-paste of results
• 🌙 Dark mode support
• 🔒 Secure API key storage

Quick Start

Development

1. Clone the repository:

   git clone https://github.com/sreekaransrinath/checkmate.git
   cd checkmate

2. Install dependencies:

   pnpm install

3. Start development server:

   pnpm dev

4. Load the extension in Chrome:

   • Open chrome://extensions/
   • Enable "Developer mode"
   • Click "Load unpacked"
   • Select the dist folder

Building for Production

pnpm build

The built extension will be in the dist folder.

Configuration

1. Get a Perplexity Sonar API key from Perplexity
2. Open the extension options (right-click extension icon > Options)
3. Enter your API key and save
4. Adjust the confidence threshold if desired

Development Commands

• pnpm dev - Start development server
• pnpm build - Build for production
• pnpm lint - Run ESLint
• pnpm type-check - Run TypeScript type checking
• pnpm test - Run unit tests
• pnpm e2e - Run E2E tests
• pnpm format - Format code with Prettier

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Run tests and linting
5. Submit a pull request

License

MIT License - see LICENSE