Variflight MCP Server

What is Variflight MCP Server about?

A server implementation that exposes a set of functions for retrieving flight information, weather data, transfer options, real‑time aircraft locations, flight comfort scores, and purchasable itineraries through the Variflight Model Context Protocol.

How to use Variflight MCP Server?

Obtain a Variflight API key from the official portal.
Install the server via npx using the provided configuration.
Set the environment variable VARIFLIGHT_API_KEY with your key.
Call the exported TypeScript/JavaScript functions such as searchFlightsByDepArr, getRealtimeLocationByAnum, etc., passing the required parameters.

Key features of Variflight MCP Server

Search Flights by Departure/Arrival – retrieve flights between two IATA airports for a specific date.
Search Flights by Number – query a flight using its flight number and date.
Transfer Information – obtain possible transfer routes between cities.
Flight Happiness Index – detailed comfort and service metrics for a flight.
Real‑time Aircraft Location – track aircraft by registration number.
Airport Weather Forecast – 3‑day weather forecast for any airport.
Flight Itineraries – search purchasable flight options with lowest price.

Use cases of Variflight MCP Server

Building travel booking platforms that need live flight availability and pricing.
Integrating flight status and location tracking into logistics or passenger‑information systems.
Providing weather‑aware travel recommendations for airlines or travel agencies.
Enhancing airline customer service with comfort and happiness analytics.
Developing mobile or web apps that display transfer options and itinerary planning.

FAQ from the Variflight MCP Server

Q: Do I need a Variflight account? A: Yes, an active API key from Variflight is required.

Q: Which command should I use for installation? A: Use the npx command as shown in the configuration; it installs the package on demand.

Q: What environment variable stores the API key? A: VARIFLIGHT_API_KEY.

Q: Is there a license for the server? A: The project is released under the ISC License.

Q: Where can I find the latest version? A: The README indicates the current version is 0.0.2.

A Model Context Protocol (MCP) server implementation for VariFlight flight information services. This server provides various tools to query flight information, weather data, and flight comfort metrics.

Variflight API Key

To use the Variflight MCP server, you need to have a Variflight API key. You can get it from here.

Installation

{
    "mcpServers": {
        "variflight": {
            "command": "npx",
            "args": [
                "-y",
                "@variflight-ai/variflight-mcp"
            ],
            "env": {
                "VARIFLIGHT_API_KEY": "your_api_key_here"
            }
        }
    }
}

Available Tools

1. Search Flights by Departure and Arrival

Search flights between airports using IATA codes:

searchFlightsByDepArr({
  dep: "PEK",  // Beijing
  arr: "SHA",  // Shanghai
  date: "2024-03-20"
})

2. Search Flights by Number

Search flights using flight number:

searchFlightsByNumber({
  fnum: "MU2157",
  date: "2024-03-20"
})

3. Get Flight Transfer Information

Find transfer options between cities:

getFlightTransferInfo({
  depcity: "BJS",
  arrcity: "LAX",
  depdate: "2024-03-20"
})

4. Flight Happiness Index

Get detailed flight comfort metrics:

flightHappinessIndex({
  fnum: "MU2157",
  date: "2024-03-20"
})

5. Real-time Aircraft Location

Track aircraft location using registration number:

getRealtimeLocationByAnum({
  anum: "B2021"
})

6. Airport Weather Forecast

Get 3-day weather forecast for airports:

getFutureWeatherByAirport({
  airport: "PEK"
})

7. Search Flight Itineraries

Search for purchasable flight options and get the lowest prices:

searchFlightItineraries({
  depCityCode: "BJS",  // Beijing
  arrCityCode: "SHA",  // Shanghai
  depDate: "2025-04-20"
})

License

ISC License - See LICENSE for details.

Author

Variflight (https://mcp.variflight.com)

Version

Current version: 0.0.2

Variflight MCP Server