{"type":"firestarter.listing","listing":{"id":"lst_tWGJM5d8","product_name":"Deep Purple Bunching Onion","category":"Vegetables","description":"Add some pizazz to gardens and plates. These bunching onions have all the the flavor and growability of standard bunching onions with a deep purple luster that develops regardless of temperature. Great for both summer and fall harvests.","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/Deep-Purple-Bunching-Onion-vendor-unknown-1630681749.jpg?v=1735579425","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/Deep-Purple-Bunching-Onion-vendor-unknown-1630681752.jpg?v=1735579425"],"price":5.39,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:38.146Z"},"share_url":"https://firestarter.network/l/lst_tWGJM5d8","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_tWGJM5d8' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Deep Purple Bunching Onion' and a budget_max comfortably above $5.39 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."]}}