{"type":"firestarter.listing","listing":{"id":"lst_ljX_dBvi","product_name":"Beatles Guitar Strap, Yellow Submarine","category":"D'Addario","description":"Classic artwork from the 1969 \"Yellow Submarine\" album flawlessly printed across the entire strap length make this the perfect addition to the D'Addario Beatles strap collection.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_25LB06_main_transparent.png?v=1773013076","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_25LB06_detail1_transparent.png?v=1773013076","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_25LB06_detail2_transparent.png?v=1773013076"],"price":39.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.969Z"},"share_url":"https://firestarter.network/l/lst_ljX_dBvi","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_ljX_dBvi' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Beatles Guitar Strap, Yellow Submarine' and a budget_max comfortably above $39.99 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."]}}