True cost of flight extras (bags, seats, fees) on 29 airlines in Europe and North America, sourced.
Connect Remote server
claude mcp add --transport http airfare-brain https://airfarebrain.com/mcp
{
"mcpServers": {
"airfare-brain": {
"url": "https://airfarebrain.com/mcp"
}
}
}
{
"servers": {
"airfare-brain": {
"type": "http",
"url": "https://airfarebrain.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://airfarebrain.com/mcp
Tools 5 found in our last check
get_capabilitiesWhat Airfare Brain covers: airlines, how fees are researched and dated, what it does NOT do (no live fares, no booking), and what car hire at the destination airport typically costs.
list_airlinesList every airline with a fee table: name, IATA code, the date its fees were checked, and its page.
airline_feesOne airline's published extra fees (bags, seats, priority, check-in, changes, payment), each with the price range, when bought (at booking / later / airport), how it is charged, its source URL and the date checked. Optionally filter by category.
true_costThe true cost of a flight on one airline. Pass `fare` (the total for the whole party, from a flight-search tool or the person) to get fare + extras; without it you get the extras alone. Extras = what the person chooses (cabin bag, checked bag by kg, seat, priority, infants) for…
trip_at_airportThe whole trip into one airport in one answer: the flight's extras on an airline (bags, seats, fees, as true_cost) AND what car hire there really costs (Car Rental Brain's measured median per day, car only, dated). Use for 'flying to Faro with Ryanair, bags and a hire car: what…
Details
| Endpoint | https://airfarebrain.com/mcp (Streamable HTTP) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | com.airfarebrain/airfare-brain |
More other servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.
