{"type":"firestarter.listing","listing":{"id":"lst_qR9Yqkxg","product_name":"1.25\" Nickel #3 Roller Buckle","category":"Accessories","description":"\nReplace or have an additional color buckle for any 1.25\" wide belt. Already have a belt with a so-so buckle? These make the perfect upgrade for your existing belt.\nMade from nickel-plated steel for a nice bright finish. \nThe roller part of the buckle makes it easy to cinch your belt tight. The leather rolls along with minimal friction as you pull to tighten.\nWhen you need a solid, rugged, indestructible belt buckle these will do the trick.\n\nFit's 1.25\" belts.\nSuper heavy-duty...practically indestructible.\nRoller buckle makes it easy to snug your belt as tight as you like.\n\n","images":["https://cdn.shopify.com/s/files/1/1171/6948/products/silverrollerbuckle.jpg?v=1594133509"],"price":14.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:55.227Z"},"share_url":"https://firestarter.network/l/lst_qR9Yqkxg","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_qR9Yqkxg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.25\" Nickel #3 Roller Buckle' and a budget_max comfortably above $14.99 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."]}}