{"type":"firestarter.listing","listing":{"id":"lst_JqHEx5GA","product_name":"18ct Gold Plated Engravable Chunky Heart Signet Ring","category":"Rings > Signet","description":"Engravable chunky heart signet ring.\nPlease note engraved jewellery is non-returnable \nand not covered by our free re-plating service.18ct Gold Plated (Base metal - Sterling Silver 925)Price is inclusive of engraving feeUp to 3 characters looks best for this ringBand = 3.5mm - at thinnest pointFront heart = 10.70mm (h) X 12mm (w)Sold as a single ringGift ready - branded cotton gift bag included\n","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/heartsignet3.jpg?v=1707211120","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/heartring.jpg?v=1707211121","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/heartsignet1.jpg?v=1707211119","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/heartsignet2.jpg?v=1707211120","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-RN-5507-9S-000-0_1_9b2e7ed3-4569-4970-beba-2080328a8519.jpg?v=1707211119","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-RN-5507-9S-000-0_2_e916d9c4-4b32-422e-98b2-5d7ba1c71e8c.jpg?v=1707211120","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/a5rings_04cdaea8-8692-47f9-a412-57d46a0e57da.jpg?v=1707211121"],"price":48,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:47.532Z"},"share_url":"https://firestarter.network/l/lst_JqHEx5GA","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_JqHEx5GA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 18ct Gold Plated Engravable Chunky Heart Signet Ring' and a budget_max comfortably above $48.00 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."]}}