Calculator Tools MCP vs Cartridge Cafe

In-depth architectural comparison of the Calculator Tools MCP and Cartridge Cafe 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?

C

Choose Calculator Tools MCP when:

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

Explore Calculator Tools MCP Details

Choose Cartridge Cafe 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 Cartridge Cafe Details

Feature & Specification Comparison

Specification	C Calculator Tools MCP Developer Tools	Cartridge Cafe Developer Tools
Summary	Publish a live calculator, tracker, tool, or game from Cursor, Claude, or ChatGPT.	Your AI builds live WebGPU game worlds on cartridge.cafe — guest door, no account needed.
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": {
    "calculator-tools-mcp": {
      "url": "https://calculator.tools/mcp/"
    }
  }
}

{
  "mcpServers": {
    "cartridge-cafe": {
      "command": "npx",
      "args": [
        "-y",
        "prisma"
      ]
    }
  }
}

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