{"type":"firestarter.listing","listing":{"id":"lst_KSegBrij","product_name":"Roaster's Choice Subscription","category":"Subscription","description":"Our Roaster's Choice subscription celebrates the rich variety of coffee-growing regions across the globe.\nEvery day in our coffee lab, we meticulously taste and analyze each roast to bring you the most exciting coffee experience possible. With the Roaster’s Choice subscription, you’ll embark on a journey through the world’s most exceptional single-origin coffees—handpicked at the peak of their season. From the highlands of Ethiopia to the mountains of Colombia, each delivery showcases a new origin and a new flavor experience.\nFREE SHIPPING for all subscription orders. Select your preferred size and delivery frequency, and let the world’s best coffees come straight to your door.\nAvailable in whole bean only.","images":["https://cdn.shopify.com/s/files/1/1348/5769/files/SO-Sub-Pro-Image1.png?v=1763509950"],"price":42,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:14.855Z"},"share_url":"https://firestarter.network/l/lst_KSegBrij","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_KSegBrij' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Roaster's Choice Subscription' and a budget_max comfortably above $42.00 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."]}}