{"type":"firestarter.listing","listing":{"id":"lst_G-ucsX5x","product_name":"Half Bar - Dark Chocolate + Peanut Butter","category":"Samples","description":"We add real, natural crunchy peanut butter to our smoothest dark chocolate for a creamy bar reminiscent of a sophisticated peanut butter cup. The rich peanut butter perfectly complements our velvety Tanzania chocolate. Certified Kosher D.E.\n\nWeight: 42.5g","images":["https://cdn.shopify.com/s/files/1/0542/6354/6027/products/PB.jpg?v=1620350250"],"price":2.25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:18.373Z"},"share_url":"https://firestarter.network/l/lst_G-ucsX5x","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_G-ucsX5x' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Half Bar - Dark Chocolate + Peanut Butter' and a budget_max comfortably above $2.25 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."]}}