{"type":"firestarter.listing","listing":{"id":"lst_5KIz1qNP","product_name":"spence ; havana tortoiseshell / amber","category":"SUNGLASSES","description":"meet spence ; he's got old world charm but with a contemporary fashion edge. a super sharp browline complements the rectangular frame and pays homage to indie sleaze, rock and roll icons who all wore similar square style sunglasses. if you're looking for a modern classic, spence in black on black is it.","images":["https://cdn.shopify.com/s/files/1/0803/7433/3683/files/SZADE_SPENCEHAVANATORT_1-316402.jpg?v=1770413317","https://cdn.shopify.com/s/files/1/0803/7433/3683/files/SZADE_SPENCEHAVANATORT_3-991945.jpg?v=1770413317"],"price":55,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:38.753Z"},"share_url":"https://firestarter.network/l/lst_5KIz1qNP","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_5KIz1qNP' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy spence ; havana tortoiseshell / amber' and a budget_max comfortably above $55.00 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."]}}