{"type":"firestarter.listing","listing":{"id":"lst_87U3RPed","product_name":"Mercury Crew Socks","category":"Adult Crew Socks","description":"Colors in this sock: Black, Storm, Aluminum and Cherry ","images":["https://cdn.shopify.com/s/files/1/0004/8948/8450/files/Mercury.png?v=1724962220","https://cdn.shopify.com/s/files/1/0004/8948/8450/files/Mercury_VSCO_Edit.jpg?v=1724962166","https://cdn.shopify.com/s/files/1/0004/8948/8450/files/IMG_0589_VSCO.jpg?v=1724962167"],"price":22.5,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:30.799Z"},"share_url":"https://firestarter.network/l/lst_87U3RPed","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_87U3RPed' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mercury Crew Socks' and a budget_max comfortably above $22.50 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."]}}