{"type":"firestarter.listing","listing":{"id":"lst_uMUfqxCi","product_name":"Reindeer Fair Isle - Cotton Crew","category":"Socks","description":"Even Santa would trade in his boots for a pair of these reindeer socks and their snazzy fair isle flair. In fact, we'll be mailing him a pair this year.\nI've also heard Santa has quite the sweet tooth. Why would one assume that he only eats cookies or mince pies?","images":["https://cdn.shopify.com/s/files/1/1884/3249/files/538544.jpg?v=1782479585"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:35.221Z"},"share_url":"https://firestarter.network/l/lst_uMUfqxCi","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_uMUfqxCi' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Reindeer Fair Isle - Cotton Crew' and a budget_max comfortably above $12.00 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."]}}