{"type":"firestarter.listing","listing":{"id":"lst_XhX7xk8b","product_name":"Sterling Silver Domed Square Signet Ring","category":"Rings > Signet","description":"Domed square signet ring.\nSterling Silver (925)Height = 14mmBand = 4mm (at thinnest)Sold as a single ring\nGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4751-SS-000-0_2_5dd5067e-7928-4a3e-ab23-dd0acb05eea7.jpg?v=1707213226","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A5368edit47519475_2711dba8-18c7-42ff-b55b-1da1e8c15101.jpg?v=1707213225","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4751-SS-000-0_1_4a02af92-ed21-4ff6-8b41-68fbf452a5d3.jpg?v=1707213225","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A5823edit2003200794754751_06551ad5-e568-4744-8653-4d517d12b2e2.jpg?v=1707213224"],"price":55.45,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:46.110Z"},"share_url":"https://firestarter.network/l/lst_XhX7xk8b","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_XhX7xk8b' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Domed Square Signet Ring' and a budget_max comfortably above $55.45 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."]}}