{"type":"firestarter.listing","listing":{"id":"lst_SA6jJ0a9","product_name":"Sterling Silver Black Constellation CZ Stud","category":"Earrings > Cartilage","description":"Black Constellation CZ Stud\nSterling Silver (925)Black coloured Cubic Zirconia stonesSold as a single studBar = 1mm thick x 6mm length (up to the ball fitting), total bar length is 7.5mmFront measures 3mm (w) x 6mm (h)3mm ball (screw)Ball back (screws on)\nGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/I3-SB-1105-Y9-Jet-O-_2_002_92271c55-b653-49d2-b19f-d0bb81d21ced.jpg?v=1708605312","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/I3-SB-1105-Y9-Jet-O_92a41232-de0f-46ca-8294-80dc2fd433f9.jpg?v=1708605312"],"price":10.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:46.142Z"},"share_url":"https://firestarter.network/l/lst_SA6jJ0a9","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_SA6jJ0a9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Black Constellation CZ Stud' and a budget_max comfortably above $10.50 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."]}}