{"type":"firestarter.listing","listing":{"id":"lst_Qfnh0EP_","product_name":"Black FKM rubber strap","category":"Strap","description":"Black FKM rubber strap with 316L stainless steel buckle. Fits the Grand Tour chronograph series and most watches with 18 mm lug width.\nStrap length: 73 and 120 mm (excluding buckle).\nQuick release pin for easy assembly.","images":["https://cdn.shopify.com/s/files/1/2492/3732/products/RubberBlack18mm.png?v=1627982149"],"price":56,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:46.306Z"},"share_url":"https://firestarter.network/l/lst_Qfnh0EP_","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_Qfnh0EP_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Black FKM rubber strap' and a budget_max comfortably above $56.00 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."]}}