Observed arrival · 2026-09-03
Dealer Agent Protocol: a rulebook for AI car-shopping answers
An open protocol for giving shopping agents dealer-controlled facts about vehicle inventory, availability, pricing, fees, and incentives.
Field notes
The protocol separates dealer-controlled source data from the agent-facing boundary: inventory, pricing and incentives, and availability are normalized behind a gateway before being exposed as typed tools over MCP. Its documented workflow includes get_manifest, inventory.search, get_vehicle, verify_availability, and get_disclosure. The page also identifies 12 canonical schemas and 49 behavior checks, while the version 0.1 specification remains open for review.
Observed signals
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