Variflight MCP Server

What is Variflight MCP Server about?

It offers a set of endpoints to retrieve flight information such as departure/arrival searches, flight number look‑ups, transfer options, happiness index, real‑time aircraft location, airport weather forecasts, and purchasable flight itineraries.

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 exposed tools (e.g., searchFlightsByDepArr, getRealtimeLocationByAnum, etc.) with the required parameters in TypeScript/JavaScript.

Key features of Variflight MCP Server

Search flights by departure & arrival IATA codes.
Search flights by flight number.
Retrieve transfer options between cities.
Access the Flight Happiness Index for comfort metrics.
Real‑time aircraft location tracking via registration number.
3‑day airport weather forecast.
Search purchasable itineraries with lowest prices.

Use cases of Variflight MCP Server

Travel platforms building flight search and booking flows.
Airlines or travel agencies needing up‑to‑date flight status and transfer suggestions.
Apps offering weather information for airports.
Services that want to display comfort scores to help passengers choose flights.
Real‑time tracking dashboards for fleet management.

FAQ from the Variflight MCP Server

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

Q: Which command should I use to install? A: Prefer npx as shown in the configuration snippet.

Q: What environment variable holds the key? A: VARIFLIGHT_API_KEY.

Q: Is there a licensing restriction? A: The project is released under the ISC License.

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