The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Old Cars Data listing page.
Old Cars Data exposes collector-car auction history, live listings, bid trails, and market statistics through a remote Model Context Protocol (MCP) server.
Transport: Streamable HTTP
Old Cars Data supports OAuth-based authentication for compatible MCP clients. Developer tools that do not support OAuth may use an Old Cars Data API key where the client allows custom authorization headers.
Coverage includes Bring a Trailer, Cars & Bids, Hagerty, PCAR Market, All Collector Cars, Gooding & Co, and RM Sotheby's.
This repository contains the server.json manifest used to publish Old Cars Data to the official MCP Registry under: