GitHub - davkap92/hn-digest: Hacker News Digest Chrome Extension

AI-powered summaries of Hacker News discussions.

Features

• 📝 Summarize Discussions - Get TL;DR, key points, and sentiment analysis
• ⏳ Background Summaries - Close the popup and return when the summary is ready
• 🔍 Find Interesting Comments - AI identifies the most valuable comments
• 📊 Discussion Stats - Comment counts, top authors, thread depth
• 🔑 BYOK (Bring Your Own Key) - Use your OpenAI or OpenRouter API key

Installation

1. Clone or download this repository
2. Open Chrome and go to chrome://extensions/
3. Enable "Developer mode" (toggle in top right)
4. Click "Load unpacked"
5. Select the extension folder

Setup

1. Click the extension icon
2. Click "Configure API Key" or the ⚙️ settings button
3. Choose your AI provider:
   • OpenAI - Direct GPT access (Get API key)
   • OpenRouter - 100+ models, often cheaper (Get API key)
4. Enter your API key
5. For OpenRouter, optionally turn reasoning off or choose an effort supported by the model
6. Click "Test Connection" to verify
7. Save settings

Usage

1. Navigate to any Hacker News page:

   • Story with comments: news.ycombinator.com/item?id=...
   • Front page: news.ycombinator.com

2. Click the HN Digest extension icon

3. On a story page:

   • Click "Summarize Discussion" for a full summary
   • Click "Find Interesting" to discover notable comments
   • View Stats tab for discussion metrics

API Costs

Typical costs per summarization (estimates):

• GPT-4o-mini: ~$0.001-0.005
• GPT-4o: ~$0.01-0.05
• Claude 3.5 Sonnet (via OpenRouter): ~$0.01-0.03

Privacy

• Your API key is stored locally in Chrome's sync storage
• Page data is sent only to the HN Algolia API and your chosen AI provider
• No analytics or tracking

Tech Stack

• Manifest V3 Chrome Extension
• HN Algolia API for fetching discussions
• OpenAI / OpenRouter APIs for summarization
• Vanilla JS, no build step required

License

MIT