HackSum

A real-time news summarization app powered by Grok AI. Get concise summaries of the latest news across different topics with sentiment analysis.

⚠️ This app requires Grok3 API which is not available yet. Stay tuned!

Features

• Real-time news summaries using Grok AI
• Sentiment analysis for each news article
• Overall sentiment tracking per topic
• Clean, modern UI with responsive design
• Built with Bun for optimal performance
• Automatic caching (1-hour cache duration)

Tech Stack

• Frontend: Vanilla JavaScript with modern CSS
• Backend: Bun + TypeScript
• API: Grok AI for news summarization
• Caching: In-memory Map with 1-hour duration

Topics Covered

• Cryptocurrency
• DeFi
• Artificial Intelligence
• Technology
• Startups

Prerequisites

• Bun runtime installed
• Grok API key (see Environment Variables section)

Setup

1. Clone the repository:

git clone https://github.com/yourusername/hacksum.git
cd hacksum

2. Install dependencies:

bun install

3. Configure environment variables:

cp .env.example .env

Then edit the .env file to add your Grok API key.

4. Run the server:

bun run index.ts

5. Open your browser and navigate to http://localhost:3000

Environment Variables

The application uses the following environment variables:

• GROK_API_KEY: Your Grok AI API key (required)

These should be defined in a .env file in the project root.

Usage

1. Select a topic from the dropdown menu
2. View real-time news summaries with sentiment analysis
3. Click on any news item to read the full article (opens a Google search for the summary)
4. Observe the overall sentiment indicator for the selected topic

How It Works

1. The app sends a request to the Grok AI API asking for news summaries on the selected topic
2. Sentiment analysis is performed on each news item using keyword-based analysis
3. Results are cached for 1 hour to optimize performance
4. The UI displays each summary with a color-coded sentiment indicator

License

MIT