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Hacker News Companion MCP

Hacker News Companion MCP

Public
georgeck/hn-companion-mcp

Model Context Protocol for fetching, analyzing, and scoring Hacker News discussions to generate structured data optimized for AI summarization with Claude.

javascript
0 tools
May 30, 2025
Updated Jun 4, 2025

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Hacker News Companion MCP

A Model Context Protocol (MCP) for summarizing Hacker News discussions using Claude.

Overview

This MCP fetches and processes Hacker News discussions, preparing them in a format that Claude can use to generate high-quality summaries. It handles both the hierarchical structure of comments and their metadata (scores, downvotes, etc.) to help Claude understand the relative importance and relationships of different comments.

Features

  • Process Hacker News URLs or post IDs
  • Download and analyze comment structure from HN
  • Score comments based on community engagement
  • Format data optimized for Claude's summarization

Installation

Installing via Smithery

To install Hacker News Companion for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @georgeck/hn-companion-mcp --client claude

Manual Installation

  1. Clone the repository:

    git clone https://github.com/yourusername/hn-companion-mcp.git
    cd hn-companion-mcp
    
  2. Install dependencies:

    npm install
    

Usage

CLI

node index.js

Example:

node index.js 43448075 # or node index.js https://news.ycombinator.com/item?id=43448075

API Server

Start the server:

npm start

Make a request:

curl -X POST http://localhost:3000/api/summarize \ -H "Content-Type: application/json" \ -d '{"input": "https://news.ycombinator.com/item?id=43448075"}'

API Reference

POST /api/summarize

Request body:

{ "input": "https://news.ycombinator.com/item?id=43448075" }

Response:

{ "status": "success", "data": { "systemPrompt": "...", "userPrompt": "...", "commentPathIdMapping": { ... }, "postTitle": "...", "postId": "...", "commentCount": 123 } }

Integration with Claude

This MCP is designed to prepare data for Claude to summarize. When a user asks Claude to summarize a Hacker News discussion, Claude can call this MCP to get the formatted data and then generate a summary based on the provided system and user prompts.

"hn-companion": { "command": "node", "args": ["/hn-companion-mcp/server.js"] } }

License

MIT

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