{"type":"firestarter.listing","listing":{"id":"lst_1mF_B6ko","product_name":"Anton No. 2 Ring, Black Onyx (Size 52)","category":"JEWELRY","description":"With its seventies touch, Anton celebrates the contrast between caviar black with onyx and shimmering milky white with moonstone. A caviar-black onyx embedded with an iridescent opal. A lively seventies-inspired signet ring with a body formed of a band of multiple curb chains. For women and men.Measures: 1.1 x 1.3 cmMaterial: 9 carats yellow gold - 375%, Black onyx, Australian opal","images":["https://cdn.shopify.com/s/files/1/1713/4363/files/P2263-1.jpg?v=1769798680","https://cdn.shopify.com/s/files/1/1713/4363/files/P2263-2.jpg?v=1769798680","https://cdn.shopify.com/s/files/1/1713/4363/files/P2263-3.jpg?v=1769798681"],"price":1625,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:12.819Z"},"share_url":"https://firestarter.network/l/lst_1mF_B6ko","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_1mF_B6ko' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Anton No. 2 Ring, Black Onyx (Size 52)' and a budget_max comfortably above $1625.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}