{"type":"firestarter.listing","listing":{"id":"lst_yfxW67Up","product_name":"Retro 14K Gold Ring with Spessartite Garnet","category":"Vintage","description":"Ring Size: 7, Sizable\nOrigin: Unknown\nPeriod: Retro\n","images":["https://cdn.shopify.com/s/files/1/1442/5650/products/P1690581.png?v=1638808156","https://cdn.shopify.com/s/files/1/1442/5650/products/15A15641-8790-4F79-B7C8-3E01E0BC2E21_1_100_o.jpg?v=1638808159","https://cdn.shopify.com/s/files/1/1442/5650/products/68E2AF4B-B979-4AC8-8E50-F97B06337FD3_1_100_o.jpg?v=1638808159","https://cdn.shopify.com/s/files/1/1442/5650/products/P1690584.png?v=1638808159"],"price":3500,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.021Z"},"share_url":"https://firestarter.network/l/lst_yfxW67Up","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_yfxW67Up' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Retro 14K Gold Ring with Spessartite Garnet' and a budget_max comfortably above $3500.00 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."]}}