{"type":"firestarter.listing","listing":{"id":"lst_-4cUTDD9","product_name":"FELIX SOCK","category":"Accessories","description":"The Felix Sock uses a premium combed cotton blend and features a custom two-tone stripe.\n\n75% Premium Combed Cotton 22% Polyamide 3% Lycra\n\nSeamless toe\n\nReinforced toe &amp; heel\n\nTerry cushioned footbeds\n\nCrew length\n\nFits mens size 9-12\n\nSock Bundle: Buy 3 or more pieces and get 20% OFF\n","images":["https://cdn.shopify.com/s/files/1/0802/7401/files/Katin-Felix-Sock-Blue-Red-03.jpg?v=1771459314","https://cdn.shopify.com/s/files/1/0802/7401/files/KATIN-FELIX-SOCK-STARGAZER_HONEY-01.jpg?v=1771459314","https://cdn.shopify.com/s/files/1/0802/7401/files/Katin-Felix-Sock-Gold-Green-03.jpg?v=1771459314"],"price":13,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:30.800Z"},"share_url":"https://firestarter.network/l/lst_-4cUTDD9","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_-4cUTDD9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FELIX SOCK' and a budget_max comfortably above $13.00 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."]}}