{"type":"firestarter.listing","listing":{"id":"lst_ZkKnBHKZ","product_name":"Rainbow Moonstone & Diamond Bar Ring 18k Yellow Gold","category":"Rings","description":"Diamond & Rainbow Moonstone Ring 18k Yellow Gold                                      \n18k yellow gold .20 cts vs white diamonds\n Also available in Platinum & 18k Rose Gold\nPlease email for Custom Inquiry:\n  sales@kateywalker.com","images":["https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_5034.jpg?v=1615156325","https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_6601.jpg?v=1615156369","https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_6600.jpg?v=1559792136"],"price":2500,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:21.268Z"},"share_url":"https://firestarter.network/l/lst_ZkKnBHKZ","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 ","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_ZkKnBHKZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rainbow Moonstone & Diamond Bar Ring 18k Yellow Gold' and a budget_max comfortably above $2500.00 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."]}}