MCP Substack Server

A Model Context Protocol (MCP) server for downloading and parsing Substack posts. Works with Claude.ai desktop app.

Installation

Install dependencies:

npm install

Configure Claude desktop app:

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

{
  "mcpServers": {
    "mcp-substack": {
      "command": "/opt/homebrew/bin/node",
      "args": ["/path/to/mcp-substack/lib/index.mjs"],
      "methods": {
        "download_substack": {
          "description": "Download and parse content from a Substack post"
        }
      }
    }
  }
}

Start the server:

npm start

Usage

In Claude desktop app, use:

Could you download and summarize this Substack post: [URL]

Features

Downloads and parses Substack posts
Extracts title, author, subtitle, and content
Works with public Substack posts
Integrates with Claude.ai desktop app

Requirements

Node.js v18+
Claude desktop app

License

MIT

Install Server

HTTP connection URL

security – no known vulnerabilities

license - not found

quality - confirmed to work

How are these scores calculated?

local-only server

The server can only run on the client's local machine because it depends on local resources.

Tools

download_substack

A Model Context Protocol server that enables downloading and parsing Substack posts directly through the Claude desktop app, allowing users to access and summarize Substack content.

Related Resources

Reddit Discussion about this server

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