{"type":"firestarter.listing","listing":{"id":"lst_-p4kyd9x","product_name":"Sterling Silver Heart Signet Ring","category":"Rings > Signet","description":"Sterling Heart Signet Ring\nSterling Heart (925)Band = 7mm at tallest, 3mm at the back of the bandFront = 7mm (h)Sold as a single ringGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4761-9S-000-0_1_fac65c6b-90bf-453e-84b3-ccc54f652125.jpg?v=1707213417","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_3191_copy_2515_0715_4761.jpg?v=1764842872","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4761-9S-000-0_4.jpg?v=1741861087","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2302_copy_0715_2515_4761.jpg?v=1741861087","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_7433copy91802553245247610601.jpg?v=1741861087"],"price":28,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.921Z"},"share_url":"https://firestarter.network/l/lst_-p4kyd9x","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_-p4kyd9x' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Heart Signet Ring' and a budget_max comfortably above $28.00 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."]}}