{"type":"firestarter.listing","listing":{"id":"lst_UTu6RT9c","product_name":"The Blackbelt","category":"Backpack Accessory","description":"Become a master of ultralight hiking by shaving off extra ounces with the Blackbelt. A Fastbelt alternative, this option still distributes weight off your shoulders without any unnecessary fabric. We also recommend the Blackbelt for slimmer hikers, as it’s the smallest cinching belt option available.","images":["https://cdn.shopify.com/s/files/1/1300/6549/files/beltV3.jpg?v=1763398453","https://cdn.shopify.com/s/files/1/1300/6549/files/belt.jpg?v=1763399898","https://cdn.shopify.com/s/files/1/1300/6549/files/beltV2.jpg?v=1763399898"],"price":10.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:36.050Z"},"share_url":"https://firestarter.network/l/lst_UTu6RT9c","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_UTu6RT9c' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Blackbelt' and a budget_max comfortably above $10.50 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."]}}