{"type":"firestarter.listing","listing":{"id":"lst_M0arVNUv","product_name":"18ct Gold Vermeil Ornate Round Signet Ring","category":"Rings > Signet","description":"Ornate round signet ring\n18ct Gold Vermeil (Base metal - Sterling Silver 925)Front = 13mm (h)Band = 3.5mm (at thinnest) Sold as a single ringGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4772-9S-000-0_2.jpg?v=1707211567","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2019_copy_4772_5034_4628.jpg?v=1782833877","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-R-4772-9S-000-0.jpg?v=1707211567","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2034_copy_4772_5034.jpg?v=1782833877","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A5795edit477294755026_d3f7022a-e227-4be4-b2cb-1a9b5f221e21.jpg?v=1707211567"],"price":12.6,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-07-03T12:14:55.593Z"},"share_url":"https://firestarter.network/l/lst_M0arVNUv","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_M0arVNUv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 18ct Gold Vermeil Ornate Round Signet Ring' and a budget_max comfortably above $12.60 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."]}}