{"type":"firestarter.listing","listing":{"id":"lst_QDxznSgU","product_name":"Oscuro","category":"Coffee","description":"Our darkest roast by far, that delivers rich intensity with surprising sweetness and nuanced flavor, without the typical bitterness of dark coffees.\nCan a dark roast coffee deliver bold richness while maintaining a surprising sweetness—without the harsh bitterness that often defines darker roasts? Meet Oscuro, our deepest, darkest roast yet. Where Belly Warmer is our take on diner coffee, Oscuro is our take on Italian roast coffee. Perfect for dark roast enthusiasts seeking a brew that’s not just bold, but beautifully balanced, Oscuro is proof that dark coffee can have depth, nuance, and irresistible flavor.","images":["https://cdn.shopify.com/s/files/1/1318/1015/files/Oscuro.jpg?v=1751651168"],"price":18.48,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:15.734Z"},"share_url":"https://firestarter.network/l/lst_QDxznSgU","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_QDxznSgU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Oscuro' and a budget_max comfortably above $18.48 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."]}}