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mcp/harbor
Claude Code

Substack MCP Server for Claude Code

io.github.marcomoauro/substack-mcp

Manage Substack publishing, subscribers, analytics, reader feeds, comments, and images through MCP.

client:Claude Code transport:stdio runtime:npm

Install Substack MCP Server in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add substack-mcp -e SUBSTACK_PUBLICATION_URL=<SUBSTACK_PUBLICATION_URL> -e SUBSTACK_SESSION_TOKEN=<SUBSTACK_SESSION_TOKEN> -e SUBSTACK_USER_ID=<SUBSTACK_USER_ID> -- npx -y substack-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Substack MCP Server in other clients

Substack MCP Server MCP server