LupaPlaza · WebMCP

In-browser tools

Three Spanish-named tools via navigator.modelContext.registerTool. Discovery is free. The snapshot is payable (x402 v2 Exact, $0.01 USDC on Base).

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Tools register on page load. Discovery reads /discovery/resources. Snapshot calls /api/webmcp/snapshot (402 without payment).

Free vs payable

buscar_servicios y obtener_servicio filter the public index /discovery/resources.
snapshot_cobrables llama GET /api/webmcp/snapshot. Sin PAYMENT-SIGNATURE answers HTTP 402 (amount 10000, Base eip155:8453).

Catalog last updated: 2026-10-09.

buscar_servicios (search services): searches the public index of payable endpoints. Free.
obtener_servicio (get service): returns one endpoint's entry from the index. Free.
snapshot_cobrables (payable snapshot): calls GET https://lupaplaza.com/api/webmcp/snapshot. Payable: $0.01 USDC on Base (eip155:8453, amount 10000), x402 v2 Exact.