{"type":"firestarter.listing","listing":{"id":"lst_u6NWewbY","product_name":"Bargain Arc Haul Ultra 40L Backpack (No Belt/No Straps) - StormGray - Short Torso","category":null,"description":"This pack DOES NOT include a belt OR straps.\nYou can add a new interchangeable Ultra Belt to your order by clicking here or, if available, add a bargain version by clicking here.\nYou can add a new pair of interchangeable straps to your order by clicking here or, if available, add a bargain version by clicking here.\nPlease make sure to read our Bargain Item Policy before purchasing any bargain bin items.\nClick here to see the original listing.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/files/zpacks-arc-haul-ultra-40L-Front3_4Left_Hero__GREY_2048x_b7c02116-55c4-4b99-b97c-fc76fb965bcc.png?v=1751303622"],"price":251,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-06T23:44:22.474Z"},"share_url":"https://firestarter.network/l/lst_u6NWewbY","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_u6NWewbY' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Bargain Arc Haul Ultra 40L Backpack (No Belt/No Straps) - StormGray - Short Torso' and a budget_max comfortably above $251.00 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."]}}