Categories › Web & Browser › Web search engines & search APIs
True cost of flight extras (bags, seats, fees) on 29 airlines in Europe and North America, sourced.
Remote server: your requests and data go to airfarebrain.com. Claude Code: claude mcp add --transport http airfare-brain https://airfarebrain.com/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
get_capabilities — What Airfare Brain covers: airlines, how fees are researched and dated, what it does NOT do (no live fares, no booking), and what car hire alist_airlines — List every airline with a fee table: name, IATA code, the date its fees were checked, and its page.airline_fees — One airline's published extra fees (bags, seats, priority, check-in, changes, payment), each with the price range, when bought (at booking /true_cost — The 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 +trip_at_airport — The 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 rNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.