{"type":"firestarter.listing","listing":{"id":"lst_kmGKEzF2","product_name":"Pack Liner","category":"Accessories","description":"\nHigh quality in construction. Extremely light weight and super durable.\n– Wayne S., ★★★★★\nThis full size roll top dry bag protects the entire internal contents of your backpack. This is a good option if you prefer to use non-waterproof stuff sacks instead of individual dry bags. It is also nice as an extra layer in very wet environments. Multiple sizes are available.This is also available in a heavier material with a handle for dual-use as a protective Airplane Case for checking your backpack on an airplane.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/products/zpacks-medpackliner.jpg?v=1734358410","https://cdn.shopify.com/s/files/1/0004/4652/9572/products/zpacks-lrgpackliner.jpg?v=1734358410","https://cdn.shopify.com/s/files/1/0004/4652/9572/products/zpacks-smpackliner.jpg?v=1734358410"],"price":59.95,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:39.375Z"},"share_url":"https://firestarter.network/l/lst_kmGKEzF2","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_kmGKEzF2' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pack Liner' and a budget_max comfortably above $59.95 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."]}}