{"type":"firestarter.listing","listing":{"id":"lst_5KP63ExT","product_name":"Tourmalinated Quartz Stud Earrings","category":"Earrings","description":"Clear quartz crystal and needles of black tourmaline have grown together in these fascinating stones. Simple yet intriguing everyday earrings and a lovely addition to your jewelry collection. Approximate diameter is 10mm.\nSterling silver with matte finish. Also available in 22k gold.","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/210204_AnandaKhalsa-48_1200.jpg?v=1754593219"],"price":270,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.558Z"},"share_url":"https://firestarter.network/l/lst_5KP63ExT","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_5KP63ExT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Tourmalinated Quartz Stud Earrings' and a budget_max comfortably above $270.00 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."]}}