{"type":"firestarter.listing","listing":{"id":"lst_B7rQp5W4","product_name":"Sterling Silver Round Signet Ring (Mens)","category":"Rings > Signet","description":"Round Signet Ring \nSterling Silver (925) The front of the signet measures: 10mm (h) x 10mm (w)The band of the ring measures: 2.5mm (at thinnest)Sizes available:UK H // US 3 3/4UK J // US 5UK L // US 6UK N // US 7UK P // US 8UK R // US 9UK U // US 10UK W // US 11UK Y // US 12Gift ready - Branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4753-9S-000-0_2_d32060d8-e821-4c11-8bfa-202bbc239309.jpg?v=1708958585","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/093809290579475363492_084e1d24-77dd-47bf-9707-a60dfb976e3b.jpg?v=1744889083","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4753-9S-000-0_3.jpg?v=1744889083","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A8955copy2_88a9e730-e82a-4148-ba31-a5d8103e6d60.jpg?v=1744889083"],"price":29,"currency":"USD","in_stock":true,"inventory_qty":89991,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.461Z"},"share_url":"https://firestarter.network/l/lst_B7rQp5W4","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_B7rQp5W4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Round Signet Ring (Mens)' and a budget_max comfortably above $29.00 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."]}}