AENA Flights MCP vs Fly Frugal Travel Data

In-depth architectural comparison of the AENA Flights MCP and Fly Frugal Travel Data 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 AENA Flights MCP when:

• You need dedicated capabilities in the Travel & Transportation domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: AENA_CLIENT_SECRET, AENA_CLIENT_ID, AENA_TENANT_ID.
• Primary tools included: Search arrivals and departures, Look up flights by number and airport, List 50 AENA airports.

Explore AENA Flights MCP Details

F

Choose Fly Frugal Travel Data 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).

Explore Fly Frugal Travel Data Details

Feature & Specification Comparison

Specification	AENA Flights MCP Travel & Transportation	F Fly Frugal Travel Data Travel & Transportation
Summary	Flight data for Spain's 50 AENA airports over the public and OAuth2 REST APIs	Read-only public itinerary previews and recently observed round-trip fares. Hosted MCP endpoint: https://flyfrugal.fyi/mcp
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": {
    "aena-flights-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-aena"
      ],
      "env": {
        "AENA_CLIENT_SECRET": "YOUR_AENA_CLIENT_SECRET_HERE",
        "AENA_CLIENT_ID": "YOUR_AENA_CLIENT_ID_HERE",
        "AENA_TENANT_ID": "YOUR_AENA_TENANT_ID_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "fly-frugal-travel-data": {
      "url": "https://flyfrugal.fyi/mcp"
    }
  }
}

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