Airfare Brain

Connect it to your AI

Claude Code

claude mcp add --transport http airfare-brain https://airfarebrain.com/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://airfarebrain.com/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "airfare-brain": {
      "url": "https://airfarebrain.com/mcp"
    }
  }
}

Tools it offers

5 tools, as the server itself reported during our check on Oct 31, 2026.

• 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. Optio
• 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 (
• 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 f

Questions