{"type":"firestarter.listing","listing":{"id":"lst_gfygZEm9","product_name":"Onyx Sink - Oblong","category":"Sinks","description":"Object is exactly as-shown. Handcrafted from a single slab of onyx, each sink is one-of-a-kind, with its own distinct pattern and shape. Style as the focal point of the powder room and let light illuminate its unique banding.Onyx may possess exterior calcification and other natural impurities near the surface. This object weighs 81 lbs – professional installation recommended.","images":["https://cdn.shopify.com/s/files/1/0694/4879/4420/files/OnyxSink-Oblong-1.Hero_8440c658-40b6-406d-b956-5a85fd98b8da.png?v=1717100132","https://cdn.shopify.com/s/files/1/0694/4879/4420/files/OnyxSink-Oblong-2.Alt.png?v=1717100132","https://cdn.shopify.com/s/files/1/0694/4879/4420/files/Metal_Face_Chair_-_Male_-_2._Alt_2.png?v=1718294294","https://cdn.shopify.com/s/files/1/0694/4879/4420/files/OnyxSink-Oblong-3.Lifestyle-cc0564.jpg?v=1718294302","https://cdn.shopify.com/s/files/1/0694/4879/4420/files/OnyxSink-Oblong-5.Detail_2c85d76d-79bd-4d2a-ae4c-ff5cca01df98.jpg?v=1718294302","https://cdn.shopify.com/s/files/1/0694/4879/4420/files/OnyxSink-Oblong-5.Detail.jpg?v=1718294302"],"price":695,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:09.536Z"},"share_url":"https://firestarter.network/l/lst_gfygZEm9","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 ","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_gfygZEm9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Onyx Sink - Oblong' and a budget_max comfortably above $695.00 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."]}}