Substack MCP vs CRM Solid MCP

In-depth architectural comparison of the Substack MCP and CRM Solid MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Substack MCP when:

• You need dedicated capabilities in the Social Media domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: other (Free / Open Source).
• You have access to required keys: SUBSTACK_SESSION_COOKIE, SUBSTACK_USER_ID, SUBSTACK_MCP_HOME.
• Primary tools included: get_subscriber_count, list_published_posts, list_drafts.

Explore Substack MCP Details

Choose CRM Solid MCP when:

• You need dedicated capabilities in the Social Media domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).

Explore CRM Solid MCP Details

Feature & Specification Comparison

Specification	Substack MCP conorbronsdon Social Media	CRM Solid MCP Social Media
Summary	MCP server for Substack — read posts, manage drafts, publish Notes, get comments, and upload images. Safe by design: cannot publish or delete posts.	Read and reply to social DMs, schedule posts, and manage CRM contacts and deals across Telegram, X, WhatsApp, Instagram and email from your AI assistant.
Category & Scope	Social Media

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "conorbronsdon-substack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@conorbronsdon/substack-mcp"
      ],
      "env": {
        "SUBSTACK_SESSION_COOKIE": "YOUR_SUBSTACK_SESSION_COOKIE_HERE",
        "SUBSTACK_USER_ID": "YOUR_SUBSTACK_USER_ID_HERE",
        "SUBSTACK_MCP_HOME": "YOUR_SUBSTACK_MCP_HOME_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "crm-solid-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@crmsolid/mcp-server"
      ]
    }
  }
}

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