{"type":"firestarter.listing","listing":{"id":"lst_lPTRRA4D","product_name":"Round Carnelian Ring","category":"Rings","description":"A juicy orange, rose cut carnelian is wrapped in warm 22k gold and set on a hammered, 2mm sterling silver band. Sterling silver backing.\nStone measures approximately 1/2 inch in diameter. Matte finish.\n","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-17_046.jpg?v=1771607116","https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-16_025.jpg?v=1771606965","https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-17_045.jpg?v=1771607091"],"price":715,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.779Z"},"share_url":"https://firestarter.network/l/lst_lPTRRA4D","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_lPTRRA4D' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Round Carnelian Ring' and a budget_max comfortably above $715.00 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."]}}