MCP server

Airfare Brain Official

com.airfarebrain/airfare-brain

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

True cost of flight extras (bags, seats, fees) on 29 airlines in Europe and North America, sourced.

Website

At a glance

Type

MCP server

Publisher

airfarebrain.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 1,190 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.airfare-brain]
url = "https://airfarebrain.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"airfare-brain":{"type":"http","url":"https://airfarebrain.com/mcp"}}}

Antigravity

agy mcp add airfare-brain https://airfarebrain.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"airfare-brain","server_url":"https://airfarebrain.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"airfare-brain","server_url":"https://airfarebrain.com/mcp"}

Tools

• airline_fees ~200 tokens
  One 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.
• get_capabilities ~87 tokens
  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 at the destination airport typically costs.
• list_airlines ~63 tokens
  List every airline with a fee table: name, IATA code, the date its fees were checked, and its page.
• trip_at_airport ~402 tokens
  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 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 will it cost?'. Car o
• true_cost ~438 tokens
  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 + extras; without it you get the extras alone. Extras = what the person chooses (cabin bag, checked bag by kg, seat, priority, infants) for their party and trip,

Browse

• Booking and scheduling
• Payments
• Travel and flights

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Badge for your README

[![AptLynx](https://aptlynx.net/badge/com.airfarebrain/airfare-brain.svg)](https://aptlynx.net/servers/com.airfarebrain/airfare-brain)

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