{"type":"firestarter.listing","listing":{"id":"lst_YWspamv6","product_name":"18ct Gold Plated Onyx Square Signet Ring","category":"Rings > Signet","description":"Onyx Square Signet Ring18ct Gold Plated (Base metal - Sterling Silver 925)Onyx stoneOnyx stone measures = 10mm (h) x 10mm (w)Band thickness: 3mmSold as a single ring\nGift ready - branded cotton gift bag included. Multiples will be put in the same bag unless requested otherwise.","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-6126-9S-000-0_1.jpg?v=1695128862","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A0761copy26119478325646126.jpg?v=1751973028","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-6126-9S-000-0_3_cd828fed-2c95-447b-90f8-8e0fcb53a893.jpg?v=1751973028","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_9879_copy_6126_6396_9178_9475_60044765-d3e7-4d3c-90f1-a7ff7e7995d7.jpg?v=1751973028","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A1245copy872861264007.jpg?v=1724926026","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_3953copy61264742.jpg?v=1724926026"],"price":66,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.747Z"},"share_url":"https://firestarter.network/l/lst_YWspamv6","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_YWspamv6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 18ct Gold Plated Onyx Square Signet Ring' and a budget_max comfortably above $66.00 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."]}}