{"protocolVersion":"0.3.0","name":"Mercantry","description":"Mercantry is an open commerce registry for AI agents — structured merchant data, honest signals, and real-world booking fulfillment. Interoperability, honestly: this service speaks MCP (streamable-http) and REST/OpenAPI — it does NOT implement the A2A JSON-RPC protocol. This card is published for discovery; connect via the MCP endpoint in `url` or the REST interface in `additionalInterfaces`.","url":"https://mercantry.org/mcp","preferredTransport":"MCP","additionalInterfaces":[{"url":"https://mercantry.org/mcp","transport":"MCP"},{"url":"https://mercantry.org/v1","transport":"REST"}],"provider":{"organization":"Mercantry","url":"https://mercantry.org"},"version":"1.0.0","documentationUrl":"https://github.com/mercantry/registry","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"securitySchemes":{},"security":[],"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"merchant_discovery","name":"Merchant discovery","description":"Filter-based search over the restaurant registry (search_merchants), full per-merchant signal dumps with per-field provenance and raw transaction-verified feedback (get_merchant), and honest registry self-description including staleness (get_registry_meta). Never ranked: deterministic, documented ordering only. Reads are free and keyless. Current coverage: 168,524 real merchants across Hong Kong (31,676), Los Angeles, CA (26,754), Tokyo (110,094), plus 500 sandbox test merchants.","tags":["search","restaurants","merchant-data","provenance","no-ranking","open-data"],"examples":["Find vegetarian-friendly restaurants near Shinjuku that are open Friday 7pm","Get every signal the registry holds on merchant X, including feedback history"]},{"id":"booking","name":"Reservation booking (async)","description":"Async table reservations: get_availability (honest v1 — availability is confirmed at booking time, not held live), place_booking, get_booking_status (poll or callback_url webhooks), modify_booking, cancel_booking. Bookings are accepted only for phone-verified bookable merchants. Real-merchant fulfillment is NOT live yet: place_booking on a real merchant returns the structured rejection 'fulfillment_not_live'. The full booking loop is testable end-to-end against sandbox merchants (deterministic outcomes, never a real phone call).","tags":["booking","reservations","async","sandbox"],"examples":["Book a table for 4 at a sandbox merchant tomorrow 19:00 and poll until confirmed","Cancel a booking the human no longer wants"]},{"id":"verified_feedback","name":"Transaction-verified feedback","description":"submit_feedback: report how a confirmed reservation actually went — accepted only against a confirmed booking_id, once per booking, within 14 days. Served raw to all agents via get_merchant; never editorialized, never scored.","tags":["feedback","verified","trust"],"examples":["Report that the merchant honored the reservation but seated the party late"]}],"supportsAuthenticatedExtendedCard":false}