hn-mcp

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Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

The only MCP server that can write to Hacker News, enabling story submission, commenting, and submissions checking via natural language.

README.md

🟠 hn-mcp — Post to Hacker News via MCP

The only MCP server that can write to Hacker News. All 7+ existing HN MCP servers are read-only. This one submits stories, posts comments, and checks your submissions.

Tools

| Tool | What it does | |------|-------------| | hn_login | Login to HN (persists cookies across restarts) | | hn_submit | Submit a story (link post or Ask HN) | | hn_comment | Post a comment or reply | | hn_my_submissions | Check your recent posts with scores | | hn_search | Search HN via Algolia |

Setup

cd hn-mcp
uv sync

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "hackernews": {
      "command": "uv",
      "args": ["run", "--directory", "/Users/YOU/path/to/hn-mcp", "python3", "server.py"],
      "env": {
        "HN_USERNAME": "your_hn_username",
        "HN_PASSWORD": "your_hn_password"
      }
    }
  }
}

Cursor / Windsurf

Add to your MCP config:

{
  "hackernews": {
    "command": "uv",
    "args": ["run", "--directory", "/Users/YOU/path/to/hn-mcp", "python3", "server.py"],
    "env": {
      "HN_USERNAME": "your_hn_username",
      "HN_PASSWORD": "your_hn_password"
    }
  }
}