Dataset

Specs and VIN decode

Every vehicle is decoded from its VIN, so specs are verified rather than copied from the listing: body class, engine, drivetrain, fuel, cylinders, and doors. You can also decode any 17-char VIN live.

How to query this dataset
Per vehicle
the vin_decode and spec fields in https://ai.castlecdjrchesterton.com/v/{VIN}.json
Readable
https://ai.castlecdjrchesterton.com/v/{VIN}.md
MCP tool
decode_vin(vin) (any VIN, live decode)
curl
curl -s https://ai.castlecdjrchesterton.com/v/1C4PJXEN2TW311410.json
FieldSample: decoded from VIN
Vehicle2026 Jeep Wrangler Sahara
VIN1C4PJXEN2TW311410
ClassMULTIPURPOSE PASSENGER VEHICLE (MPV)
BodySport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]
Engine2.0L I4 DOHC
Drivetrain4WD
FuelGasoline
Transmission8-Speed Automatic