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Substack MCP Server

Developer ToolsLow Risk9.5MCP RegistryLocal
Free

Server data from the Official MCP Registry

Substack drafts, Notes, analytics and consented subscribers. Long-form posts stay draft-only.

About

Substack drafts, Notes, analytics and consented subscribers. Long-form posts stay draft-only.

Security Report

9.5
Low Risk9.5Low Risk

Valid MCP server (2 strong, 2 medium validity signals). 1 known CVE in dependencies Package registry verified. Imported from the Official MCP Registry.

3 files analyzed · 2 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Your Substack publication URL (e.g., https://yourblog.substack.com)Optional

Environment variable: SUBSTACK_PUBLICATION_URL

connect.sid cookie value from your Substack sessionRequired

Environment variable: SUBSTACK_SESSION_TOKEN

Your Substack user IDOptional

Environment variable: SUBSTACK_USER_ID

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-conorbronsdon-substack-mcp": {
      "env": {
        "SUBSTACK_USER_ID": "your-substack-user-id-here",
        "SUBSTACK_SESSION_TOKEN": "your-substack-session-token-here",
        "SUBSTACK_PUBLICATION_URL": "your-substack-publication-url-here"
      },
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "command": "npx"
    }
  }
}

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