Provides Aer Lingus's published ancillary fee data — checked and cabin bags, seat selection, priority boarding, check-in, changes and payment fees — with price ranges, when each fee applies (at booking, later, or at the airport), source URL and the date checked, usable for computing a true trip cost.

Provides Air Canada's published ancillary fee data — checked and cabin bags, seats, priority boarding, check-in, changes and payment fees — with price ranges, purchase timing, source URL and date checked, for calculating real total trip cost.

Provides Air France's published ancillary fee data covering bags, seat selection, priority boarding, check-in, changes and payment fees, with ranges, when bought, source and check date, to compute the true cost of a flight.

Provides American Airlines' published ancillary fee data for checked and cabin bags, seats, priority boarding, check-in, changes and payment, including price ranges, purchase timing, source URL and date checked.

Provides British Airways' published ancillary fee data — including what fares like Basic include for cabin bags — plus seat, priority boarding, check-in, change and payment fees, with sources and check dates for true-cost calculations.

Provides Delta Air Lines' published ancillary fee data for checked and cabin bags, seat selection, priority boarding, check-in, changes and payment fees, with price ranges, when purchased, source URL and date checked.

Provides easyJet's published ancillary fee data for bags, seats, priority boarding, check-in, changes and payment, enabling comparison of true trip costs (e.g. easyJet vs Wizz Air with a shared checked bag).

Provides Iberia's published ancillary fee data covering checked and cabin bags, seats, priority boarding, check-in, changes and payment fees, with ranges, purchase timing, source and date checked.

Provides KLM's published ancillary fee data for bags, seat selection, priority boarding, check-in, changes and payment fees, with price ranges, when each applies, source URL and check date.

Provides Lufthansa's published ancillary fee data for checked and cabin bags, seats, priority boarding, check-in, changes and payment, with ranges, purchase timing, source and check date for true-cost estimates.

Provides Norwegian's published ancillary fee data covering bags, seats, priority boarding, check-in, changes and payment fees, with price ranges, when bought, source URL and date checked.

Provides Ryanair's published ancillary fee data — cabin and checked bags (including airport vs online pricing), seats, priority boarding, check-in, changes and payment fees — with sources and check dates, for computing real trip costs.

Provides Turkish Airlines' published ancillary fee data for checked and cabin bags, seats, priority boarding, check-in, changes and payment fees, with ranges, purchase timing, source and check date.

Provides United Airlines' published ancillary fee data covering bags, seat selection, priority boarding, check-in, changes and payment fees, with price ranges, when purchased, source and date checked.

Provides Virgin Atlantic's published ancillary fee data for checked and cabin bags, seats, priority boarding, check-in, changes and payment fees, with ranges, purchase timing, source URL and check date.

Provides Wizz Air's published ancillary fee data — including how much more bags cost at the airport versus online — for seats, priority boarding, check-in, changes and payment, with sources and check dates, plus true-cost calculations and comparison with other airlines.

1. Click on "Deploy Server".

2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.

3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Airfare Brain MCP server What will a €39 Ryanair flight really cost with a cabin bag and 20kg bag?"

That's it! The server will respond to your query, and you can continue using it as needed.

Here is a step-by-step guide with screenshots.