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Car Rental Brain

Car Rental Brain v1.0.1

True cost of car hire

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From the developer

Declared capabilities

  • Compare car-hire costs between airports
  • True price with a second driver or full cover
  • Deposits and debit-card acceptance

Declared limitations

  • Booking and payment are out of scope
  • Airport not measured
  • Out of scope: flights

Not specified in the available declarations: pricing & account requirements.

Onboarding example

Where in Spain is car hire cheapest with a second driver?
Sources & dates

Developer declarations; not independently tested. Listing last checked Nov 5, 2026. Package observed Nov 5, 2026.

View package source →

Description

From the marketplace listing

Car Rental Brain measures what hiring a car really costs at more than 120 airports in Europe, the UK and the US, by running the same searches again and again and publishing the medians, each with its date. Ask about an airport, a country or a month and it answers with: - the price per day for the car alone, with a second driver, with full cover, with no deposit and for an automatic - each priced on a real offer, never the cheapest parts of different cars; - second-driver fees and how many suppliers charge them; - the deposit held at the desk, and which desks take a debit card; - desk closing times and out-of-hours pick-up fees; - each supplier's price, driver fee, deposit and desk review scores. It can also build a search link with the traveller's dates, drivers and card type already filled in; the link opens live prices on carrentalbrain.com, ranked by the total actually paid, where the traveller books with DiscoverCars. The figures are measured aggregates, not live quotes - every answer says how many searches it rests on and when they ran. Read-only, no account, nothing personal requested. Car Rental Brain earns a commission if a booking is made through its links; the traveller pays the same price. Limitations: measured aggregates for the airports listed by list_airports, not live availability; prices mostly in EUR.

Language: English · Automatically detected from descriptions.

ChatGPT marketplace listing ↗Website ↗Privacy policy ↗Terms ↗Support ↗Repository ↗

Changes

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First seen Nov 5, 2026. Last seen Nov 5, 2026.

Keywords

Files & skills

File archives

Plugin package4 files · 25.2 KBBrowse files →

Release notes

First release: six read-only tools over Car Rental Brain's measured car-hire market data (120+ airports).

Declared in the saved package. Remote tools may change independently.

Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package author
Car Rental Brain
Keywords
See keywords
Commerce declaration
Does not support commerceThis does not establish whether access is free or paid.
Review scenarios
5 positive · 3 negativeScenario counts, not test results.

Declared capabilities

  • Compare car-hire costs between airports
  • True price with a second driver or full cover
  • Deposits and debit-card acceptance
  • Desk opening hours and late-pick-up fees
  • Supplier terms and desk reviews
  • Pre-filled live search link

Package observed Nov 5, 2026.

plugin.json
Technical details
First seen
Nov 5, 2026 · 00:00 UTC
Last seen
Nov 5, 2026 · 06:00 UTC
Collection status
Collected

plugin_asdk_app_6adcda8a3b988191b45dee1d3c7bc428

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