{"type":"firestarter.listing","listing":{"id":"lst_L67pYifR","product_name":"Espresso Subscription","category":"Subscription","description":" \nFor you or for a friend, get great coffee delivered to your door every week or every two weeks.Our Espresso subscription features not only our signature espresso blend, Kickstart, but our favorite single-origin and blends to put in a portafilter. Surprise your palate with a fruity shot of Ethiopia or a toffee like Costa Rica. \n \n ","images":["https://cdn.shopify.com/s/files/1/0939/8326/files/Portafilter.jpg?v=1705550227"],"price":19,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:14.449Z"},"share_url":"https://firestarter.network/l/lst_L67pYifR","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_L67pYifR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Espresso Subscription' and a budget_max comfortably above $19.00 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."]}}