Variflight MCP Server

What is Variflight MCP Server?

A Model Context Protocol (MCP) server implementation that integrates VariFlight flight information services, providing tools to query flight data, weather, and comfort metrics for developers and travel applications.

How to use Variflight MCP Server?

Requires a Variflight API key, obtainable from https://mcp.variflight.com. Install by adding the server configuration to your MCP client with the command npx -y @variflight-ai/variflight-mcp and setting the VARIFLIGHT_API_KEY environment variable. Then call any of the eight available tools to retrieve flight, weather, or comfort data.

Key features of Variflight MCP Server

• Search direct flights by departure and arrival city/airport codes
• Look up flights by flight number and date
• Get connecting flight transfer options between cities
• Retrieve flight happiness index (punctuality, cabin, meals, entertainment)
• Track real-time aircraft location by tail number
• Fetch 3-day weather forecasts for any airport
• Search flight itineraries with natural-language summaries and pricing
• Get structured cabin-level flight prices between two cities

Use cases of Variflight MCP Server

• Build travel booking assistants that search and compare flights
• Integrate real-time flight tracking into logistics or travel apps
• Provide comfort and punctuality metrics for flight recommendations
• Deliver airport weather forecasts as part of pre-travel planning
• Enable users to find cheapest or shortest itineraries between cities

FAQ from Variflight MCP Server

How do I obtain a Variflight API key?

You can get a Variflight API key from https://mcp.variflight.com.

Can I search flights using city codes instead of airport codes?

Yes, you can use city codes like BJS or exact airport codes like PEK, but do not mix city and airport codes for the same side of a query.

Does the server offer real-time flight tracking?

Yes, the getRealtimeLocationByAnum tool tracks real-time aircraft location using the aircraft registration (tail) number.

What weather data is available?

The getFutureWeatherByAirport tool provides a 3-day airport weather forecast.

Does it include flight price information?

Yes, searchFlightItineraries returns natural-language summaries with lowest prices and suggested itineraries, while getFlightPriceByCities gives structured cabin-level pricing.