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Compare servers	Substack Publisher MCP
Purpose	MCP server for Substack's official Publisher API — query posts, analytics, and subscribers from Claude, Cursor, or any MCP client
Authentication (maintainer declared)	Unknown
Public launch command	Project-specific setup
Configuration source	Public install instructions
Observed tools	Unknown
Last complete tool check	Unknown
License	MIT
	Open setup

A complete tool check lists tools; it does not exercise them or certify security.