vehiclesdb is a thin, official alias of the `vehicles` gem: the VehiclesDB open dataset (~17k vehicle models across cars, motorcycles, mopeds, vans, trucks and buses, from official registers of 14 countries) with Rails-friendly lookups, dropdown helpers, validators, popularity/availability data, and a bundled MCP server. Installing this gem installs `vehicles` and exposes the same API under the VehiclesDB constant. If in doubt, depend on `vehicles` directly.