# Airfare Brain MCP server

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

## At a glance

Airfare Brain is an MCP server in the Other category. It is hosted remotely and connects over HTTP, and declares no required credentials. It exposes 5 tools, including get_capabilities, list_airlines and airline_fees. It scores B (73/100) on the MCP Skills Hub health score as of Oct 28, 2026.

## Install

### How to install Airfare Brain in Claude Code

1. Add the server

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

2. Verify it's connected

```bash
claude mcp list
```

3. Sharing it with your team?

   Add `--scope project` to write it to .mcp.json in the repository root, which you can commit (with the secrets left as environment variables).

4. Use it in a session

   Ask Claude to use the tools this server exposes (e.g. get_capabilities, list_airlines, airline_fees). It discovers them automatically.

### How to install Airfare Brain in Claude Desktop

1. Open your MCP config

   macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

2. Add this server

```json
{
  "mcpServers": {
    "airfare-brain": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://airfarebrain.com/mcp"
      ]
    }
  }
}
```

3. Why the wrapper?

   This is a remote (HTTP) server and Claude Desktop only launches local processes, so mcp-remote proxies the connection. It will open a browser window if the server needs OAuth.

4. Restart Claude Desktop

   The tools appear under the 🔌 menu once the app reloads.

### How to install Airfare Brain in Cursor

1. Create / edit .cursor/mcp.json in your project

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

2. Enable it

   Cursor Settings → MCP → toggle the server on. Tools become available to the Composer/Agent.

### How to install Airfare Brain in Codex CLI

1. Add to ~/.codex/config.toml

```toml
[mcp_servers.airfare-brain]
command = "npx"
args = ["-y", "mcp-remote", "https://airfarebrain.com/mcp"]
```

2. Why the wrapper?

   Codex runs MCP servers as local processes, so mcp-remote bridges this HTTP endpoint to stdio.

3. Run Codex

   Codex loads MCP servers from config.toml on startup and exposes their tools to the agent.

### How to install Airfare Brain in Windsurf

1. Edit ~/.codeium/windsurf/mcp_config.json

```json
{
  "mcpServers": {
    "airfare-brain": {
      "serverUrl": "https://airfarebrain.com/mcp"
    }
  }
}
```

2. Reload

   Windsurf → Cascade → refresh MCP servers. Cascade can now call the tools.

### How to install Airfare Brain in Cline

1. Open Cline → MCP Servers → Configure

   Adds to cline_mcp_settings.json.

2. Add the server

```json
{
  "mcpServers": {
    "airfare-brain": {
      "type": "streamableHttp",
      "url": "https://airfarebrain.com/mcp"
    }
  }
}
```

### How to install Airfare Brain in VS Code

1. Create .vscode/mcp.json

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

2. Start it

   VS Code shows a ▶ Start action above the server entry. Agent mode (Copilot Chat) can then use the tools.

## Tools

- `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 at the destination airport typically costs.
- `list_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 / later / airport), how it is charged, its source URL and the date checked. Optionally filter by category.
- `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 + 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, as the range the airline publishes. Also lists what costs more if left until the airport, unchosen 
- `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 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 only: deposits, second-driver fees and desk cover are not included; the answer links to the airport's

Source repository: https://github.com/jimiwalters-cmyk/airfare-brain-mcp

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Source: https://mcp-skills-hub.vercel.app/mcps/com-airfarebrain-airfare-brain · MCP Skills Hub · data as of 2026-10-28T12:31:05Z