Substack Publisher MCP Server

Example Use Cases

• 1

  Retrieve recent posts and publication analytics from Substack.

• 2

  Access subscriber counts and engagement statistics using a stable API key.

• 3

  That manage multiple Substack publications and require multi-publication support.

Description

This MCP server enables querying post analytics, subscriber counts, and publication data directly from Substack's official Publisher API. It offers a stable and documented API key authentication method, supports multiple publications, and integrates seamlessly with MCP clients like Claude and Cursor. The server is community-developed and provides a reliable alternative to unofficial Substack MCP servers that rely on fragile browser cookies.