{"type":"firestarter.listing","listing":{"id":"lst_pTesb2Ur","product_name":"Sterling Silver Engravable Chunky Oval Signet Ring","category":"Rings > Signet","description":"Sterling Silver Engravable Chunky Oval Signet Ring\nPlease note engraved jewellery is non-returnableSterling Silver 925Price is inclusive of engraving feeUp to 3 characters looks best for this ringBand = 2.5mm - at thinnest pointFront = 10.5mm (h) X 10mm (w)Sold as a single ringGift ready - branded cotton gift bag included\n\n*Sizes available* (approx conversion):US 3 / UK FUS 3/4 / UK HUS 5 / UK JUS 6 / UK LUS 7 / UK NUS 8 / UK PUS 9 / UK R","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/3391ssengrave_dd69188a-6a70-4f51-b7ed-aab1aa6716e8.png?v=1708531589","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/P3-R-3391-9S-000-0_1_131947bd-4dc9-4915-b443-a9a9d3e00c98.jpg?v=1708531589","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/P3-R-3391-ss-000-0_4_lighter_002_f6282595-95ab-48f3-b199-40737a9ce37e.jpg?v=1708531590"],"price":42,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.504Z"},"share_url":"https://firestarter.network/l/lst_pTesb2Ur","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_pTesb2Ur' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Engravable Chunky Oval Signet Ring' and a budget_max comfortably above $42.00 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."]}}