Demo.st vs Lacuna MCP

In-depth architectural comparison of the Demo.st and Lacuna 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?

D

Choose Demo.st when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: check_subdomain_availability, reserve_subdomain, upload_site.

Explore Demo.st Details

Choose Lacuna MCP when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Lacuna MCP Details

Feature & Specification Comparison

Specification	D Demo.st Developer Tools	Lacuna MCP Developer Tools
Summary	Reserve a subdomain, upload .zip via MCP, get a link. Optional document API at api.demo.st.	Generate AI music via the Lacuna Music API from MCP clients like Claude Desktop & Code.
Category & Scope	Developer Tools	Developer Tools
Quality signal

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": {
    "demo-st": {
      "command": "npx",
      "args": [
        "-y",
        "demo-st"
      ]
    }
  }
}

{
  "mcpServers": {
    "lacuna-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "lacuna-toolkit"
      ]
    }
  }
}

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