{"type":"firestarter.listing","listing":{"id":"lst_BWs11iN-","product_name":"WHITE TOPAZ & DIAMOND SMALL HEART HUGGIE HOOPS 18K YELLOW GOLD","category":"Earrings","description":"1 ct Heart shaped faceted white topaz                                             .24 ct vs natural white diamonds\nLarge heart also available in natural white diamond, pink topaz, blue topaz, &amp; amethyst\nPlease email sales@kateywalker.com for custom order ","images":["https://cdn.shopify.com/s/files/1/0077/6041/2731/files/20230404_KATEY.WALKER_09_0073.jpg?v=1682647984","https://cdn.shopify.com/s/files/1/0077/6041/2731/files/20230404_KATEY.WALKER_09.b_0073.jpg?v=1682647984"],"price":3995,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:21.166Z"},"share_url":"https://firestarter.network/l/lst_BWs11iN-","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_BWs11iN-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy WHITE TOPAZ & DIAMOND SMALL HEART HUGGIE HOOPS 18K YELLOW GOLD' and a budget_max comfortably above $3995.00 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."]}}