Car Handshake for ChatGPT

com.carhandshake/inventory

Find and compare live vehicle inventory from participating US dealers and contact them with consent.

client:ChatGPT transport:streamable-http tools:10

Install Car Handshake in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.carhandshake.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs