get_subscriber_count
Get your publication's current subscriber count
How to use it
get_subscriber_count is exposed by the Substack MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the get_subscriber_count tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Substack MCP
npx --package @conorbronsdon/substack-mcp substack-mcp-login https://yourblog.substack.comOther tools in Substack MCP (13)
Create a new draft from markdown (private)
Publish a Substack Note (short-form, publishes immediately)
Publish a Note with a link card attachment (publishes immediately)
Get full content of a draft by ID
Get full content of a published post by ID
Get a published post's stats (views, opens, signups, subscribes, reactions) by ID
Get comments on a published post
List your publication's sections (categories) with their IDs
List draft posts
List published posts with pagination
List posts scheduled for future publication (read-only; scheduling stays in Substack's editor)
Update an existing draft (unpublished only; private)
Upload an image to Substack's CDN — returns a publicly-fetchable (unlisted) URL