{"type":"firestarter.listing","listing":{"id":"lst_3nn6JFDx","product_name":"Vintage Onyx Pinback Button 1994","category":"Accessories, Vintage","description":"This is an insane pinback button for the 90's rap group Onyx! Dated 1994, this piece can help you remenisce about Kareem Campbell's part in New World Order. Measures 1.75 inches.","images":["https://cdn.shopify.com/s/files/1/1798/2671/files/VINTAGE-ONYX-PINBACK-BUTTON-FRONT.jpg?v=1760069811","https://cdn.shopify.com/s/files/1/1798/2671/files/VINTAGE-ONYX-PINBACK-BUTTON-BACK.jpg?v=1760069811","https://cdn.shopify.com/s/files/1/1798/2671/files/VINTAGE-ONYX-PINBACK-BUTTON-SIDE.jpg?v=1760069811","https://cdn.shopify.com/s/files/1/1798/2671/files/VINTAGE-ONYX-PINBACK-BUTTON-SIZE-REFERENCE.jpg?v=1760069677"],"price":8,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:40.036Z"},"share_url":"https://firestarter.network/l/lst_3nn6JFDx","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_3nn6JFDx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage Onyx Pinback Button 1994' and a budget_max comfortably above $8.00 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."]}}