{"name":"whichtrim","title":"WhichTrim vehicle records","version":"1.0.0","transport":"streamable-http","endpoint":"https://whichtrim.com/portal/mcp","protocolVersions":["2025-06-18","2025-03-26","2024-11-05"],"authentication":"none — this data is public","tools":[{"name":"search_vehicles","description":"Find model years in the WhichTrim catalogue by make, model and/or year. Returns each match with its Safety Signal grade, recall count and page URL. Use this first to get the vehicle id that the other tools take."},{"name":"get_vehicle","description":"The full published record for one model year: EPA fuel economy, NHTSA recalls, owner-complaint counts and the mileage at which owners reported problems, crash ratings, open investigations, service bulletins and the diagnostic trouble codes its record names."},{"name":"check_recalls","description":"Every NHTSA recall campaign on file for one model year, with severity, park-outside and do-not-drive advisories and the reported completion rate. IMPORTANT: recalls apply to a build range, not to a model year, so this cannot establish whether one specific vehicle is affected — only a VIN check at nhtsa.gov/recalls can."},{"name":"decode_vin","description":"Decode a 17-character VIN against NHTSA's vPIC database and join it to the WhichTrim record for that model year: year, make, model, engine, plant, plus the grade and recall campaigns on file."},{"name":"lookup_trouble_code","description":"What a diagnostic trouble code (P0420, U0100, …) means where the OBD-II standard defines it, and — the part no other source publishes — which vehicles' federal record actually names it: how many manufacturer service bulletins and owner complaints mention it, and on which model years."},{"name":"compare_vehicles","description":"Two model years side by side on the figures that decide most purchases: fuel economy or EV range, Safety Signal grade, recalls, complaints, crash rating and starting price where a press kit is on file."}],"docs":"https://whichtrim.com/developers/#mcp","attribution":"Source: WhichTrim (https://whichtrim.com), from U.S. EPA and NHTSA public records."}