Car Rental Brain

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Real cost of car hire at 120+ airports: second driver, cover, deposits, debit cards, desk hours.

Maps & Travel

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Tool list from our last check. Connect live to refresh it.

airport_costs

The true cost of hiring a car at one airport: per-day price for the car alone, with a second driver, with full cover, automatic, no-deposit (from + typical); by pick-up month; second-driver fees; deposits; debit-card acceptance; desk closing times and out-of-hours fees; policies. Use when someone asks what car hire really costs at one airport, or about deposits, fees or desk hours there.

airportstring, required

Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'

monthstring

Optional pick-up month YYYY-MM

trip_daysinteger

Optional trip length in days

Tools (6)

airport_costs

read-only

Argument	Type	Description
month	string	Optional pick-up month YYYY-MM
airport*	string	Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'
trip_days	integer	Optional trip length in days

Input schema (JSON)

{
  "type": "object",
  "required": [
    "airport"
  ],
  "properties": {
    "month": {
      "type": "string",
      "description": "Optional pick-up month YYYY-MM"
    },
    "airport": {
      "type": "string",
      "description": "Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'"
    },
    "trip_days": {
      "type": "integer",
      "description": "Optional trip length in days"
    }
  },
  "additionalProperties": false
}

build_search_link

A link for the PERSON to open: live prices for their exact dates and needs, ranked by the total they will actually pay, where they can book. Use whenever the person has dates and wants to see or book cars.

read-only

Argument	Type	Description
age	integer	Main driver's age in years (default 35). Under 25 or over 70 often costs more.
place	string	Any city/place if not a measured airport
airport	string	Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'
car_type	string	Car size; omit for every size.
currency	string	EUR, GBP, USD...
automatic	boolean	True for automatic gearbox only.
residence	string	Two-letter country of residence, e.g. GB
debit_card	boolean	True if the driver has no credit card - only cars whose desk takes a debit card for the deposit.
pickup_date	string

compare_airports

Rank airports by real cost (car only / with driver / with cover), typical deposit, debit-card friendliness or late desk hours. Use for 'where in Spain is car hire cheapest in March?' or 'which airport is best for a debit card?'

read-only

Argument	Type	Description
limit	integer	How many airports to return (default 10).
month	string	Optional pick-up month YYYY-MM (price sort uses that month)
country	string	Optional country to compare within
sort_by	string	What to rank by: price (car only), price_with_driver, price_with_cover, deposit (lowest first), debit (most debit-friendly), late_desk (open latest). Default price.
airports	array	Optional list of airports

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "How many airports to return (default 10)."
    },
    "month": {
      "type": "string",
      "description": "Optional pick-up month YYYY-MM (price sort uses that month)"
    },
    "country": {
      "type": "string",
      "description": "Optional country to compare within"
    },
    "sort_by": {
      "enum": [
        "price",
        "price_with_driver",
        "price_with_cover",
        "deposit",
        "debit",
        "late_desk"
      ],
      "type": "string",
      "description": "What to rank by: price (car only), price_with_driver, price_with_cover, deposit (lowest first), debit (most debit-friendly), late_desk (open latest). Default price."
    },
    "airports": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Optional list of airports"
    }
  },
  "additionalProperties": false
}

get_capabilities

What Car Rental Brain measures, how fresh it is, and which airports/countries are covered. Use first when unsure whether a place is covered.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

list_airports

Airports we measure, with the typical rental price per day. Filter by country. Use to find an airport id or to list what is covered in a country.

read-only

Argument	Type	Description
country	string	Optional country, e.g. 'Portugal'

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "country": {
      "type": "string",
      "description": "Optional country, e.g. 'Portugal'"
    }
  },
  "additionalProperties": false
}

supplier_terms

Per supplier at an airport: typical price per day, second-driver fee, full-cover price, deposit held, whether the desk takes a debit card, and customers' desk review scores. Use when the person is choosing between suppliers at one airport or asks about a named supplier.

read-only

Argument	Type	Description
airport*	string	Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'
supplier	string	Optional supplier name

Input schema (JSON)

{
  "type": "object",
  "required": [
    "airport"
  ],
  "properties": {
    "airport": {
      "type": "string",
      "description": "Airport id, IATA code or name, e.g. 'faro', 'FAO', 'Faro Airport'"
    },
    "supplier": {
      "type": "string",
      "description": "Optional supplier name"
    }
  },
  "additionalProperties": false
}