MCP server

Substack MCP Server

Repository:: github.com/conorbronsdon/substack-mcp
Homepage:: github.com/conorbronsdon/substack-mcp#readme
Stars:: 44
Last push:: 2026-10-27
License:: MIT

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

Good fit for

One-command install
Runs fully local
MIT license

Facts

Category: Marketing and SEO
Pricing: Unknown
Authentication: API key
Transport: stdio
Hosting: Local
Maker: Unknown
Access: Unknown
Language: TypeScript
Install method: npx
Operating system: Unknown
Client: Unknown
License: Permissive
Maintenance: Active

Install

claude mcp add --env 'SUBSTACK_PUBLICATION_URL=<YOUR_VALUE>' --env 'SUBSTACK_SESSION_TOKEN=<YOUR_VALUE>' --env 'SUBSTACK_USER_ID=<YOUR_VALUE>' --transport stdio conorbronsdon-substack-mcp -- npx -y @conorbronsdon/substack-mcp

Paste into claude_desktop_config.json

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "<YOUR_VALUE>",
        "SUBSTACK_SESSION_TOKEN": "<YOUR_VALUE>",
        "SUBSTACK_USER_ID": "<YOUR_VALUE>"
      }
    }
  }
}

Paste into ~/.cursor/mcp.json

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "<YOUR_VALUE>",
        "SUBSTACK_SESSION_TOKEN": "<YOUR_VALUE>",
        "SUBSTACK_USER_ID": "<YOUR_VALUE>"
      }
    }
  }
}

Paste into .vscode/mcp.json

{
  "servers": {
    "conorbronsdon-substack-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "<YOUR_VALUE>",
        "SUBSTACK_SESSION_TOKEN": "<YOUR_VALUE>",
        "SUBSTACK_USER_ID": "<YOUR_VALUE>"
      }
    }
  }
}

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "<YOUR_VALUE>",
        "SUBSTACK_SESSION_TOKEN": "<YOUR_VALUE>",
        "SUBSTACK_USER_ID": "<YOUR_VALUE>"
      }
    }
  }
}

[mcp_servers.conorbronsdon-substack-mcp]
command = "npx"
args = ["-y", "@conorbronsdon/substack-mcp"]
env = { SUBSTACK_PUBLICATION_URL = "<YOUR_VALUE>", SUBSTACK_SESSION_TOKEN = "<YOUR_VALUE>", SUBSTACK_USER_ID = "<YOUR_VALUE>" }

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_PUBLICATION_URL": "<YOUR_VALUE>",
        "SUBSTACK_SESSION_TOKEN": "<YOUR_VALUE>",
        "SUBSTACK_USER_ID": "<YOUR_VALUE>"
      }
    }
  }
}

Env vars and secrets

SUBSTACK_PUBLICATION_URLEnv var
Your Substack publication URL (e.g., https://yourblog.substack.com)
SUBSTACK_SESSION_TOKENEnv varSecret
connect.sid cookie value from your Substack session
SUBSTACK_USER_IDEnv var
Your Substack user ID

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Score: 71

Popularity: 44
Maintenance: 100
Trust: 73
Completeness: 90
Community: 50

Formula version 1

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