Substack

v1.0.0

substack.com/mcp

Substack is a publishing and subscription platform for newsletters, posts, and creator-audience communication. It lets writers publish content and manage subscriber relationships on the web and in apps.

Website

Install with add-mcp

Configure your installation and copy the command below. Uses add-mcp to install the server into your agent of choice.

Remote (HTTP)

Streamable HTTPhttps://mcp.substack.com/api/v1/mcp

Install command

npx add-mcp@latest https://mcp.substack.com/api/v1/mcp --transport http

API access

Access via API

Fetch this server's registry entry as JSON. See the OpenAPI spec for all endpoints.

curl "/registry/api/v1/servers?search=com.substack%2Fmcp"