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mcp/harbor
Verified official

Substack MCP Server MCP

v1.2.1

io.github.conorbronsdon/substack-mcp

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transport:stdio runtime:npm
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Target client

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 @conorbronsdon/substack-mcp

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.