{"type":"firestarter.listing","listing":{"id":"lst_CVN0Gpxr","product_name":"Sterling Silver Domed Square Signet Ring (Mens)","category":"Rings > Signet","description":"Domed Square Signet Ring\nSterling Silver (925) The height of the ring measures: 14mmThe band of the ring measures: 4mm (at thinnest)Sold as a single ring\nBranded cotton gift bag \n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4751-SS-000-0_2_30571c47-6f59-4e00-b0e5-e198689637e1.jpg?v=1708954882","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_6825copy63964751092961263391_e83f1fe7-496d-4e36-8d25-e4d3450d8032.jpg?v=1710843303","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4751-SS-000-0_1_72d562e2-0210-4585-86d2-ffdc331fa24b.jpg?v=1710843303","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_6811copy475161267501.jpg?v=1710843205"],"price":55.45,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.465Z"},"share_url":"https://firestarter.network/l/lst_CVN0Gpxr","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_CVN0Gpxr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Domed Square Signet Ring (Mens)' 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."]}}