Ns MCP Server vs Untap

In-depth architectural comparison of the Ns MCP Server and Untap 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 Ns MCP Server when:

• You need dedicated capabilities in the Travel & Transportation domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: NS_API_KEY.
• Primary tools included: Real-time departures and arrivals with platform info, Journey planning with transfer and delay data, Ticket pricing for single, return, and group fares.

Explore Ns MCP Server Details

Choose Untap when:

• You need dedicated capabilities in the Travel & Transportation domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: add_train_journey, add_flight, add_tfl_journeys.

Feature & Specification Comparison

Specification	Ns MCP Server r-huijts Travel & Transportation	Untap Travel & Transportation
Summary	Access Dutch Railways (NS) travel information, schedules, and real-time updates	UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London.
Category & Scope	Travel & Transportation	Travel & Transportation

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": {
    "r-huijts-ns-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "ns-mcp-server"
      ],
      "env": {
        "NS_API_KEY": "YOUR_NS_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "untap": {
      "url": "https://untap.money/api/mcp"
    }
  }
}

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