{"type":"firestarter.listing","listing":{"id":"lst_i8K_46Wp","product_name":"Spare Part - 2 Roller Stones for Small (8lb/1.5L) refiner","category":null,"description":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nThe stones are an essential part of the Chocolate Refiner because it is their shearing action that causes the particles in the chocolate to break down, and particle size determines mouthfeel in the finished product. The stones in our machines are made of natural granite and so some color variation can be expected. Sold as a set of two (2) wheels. Width: 1.375 in; Height: 4.125 in.\nSuitable for the 8lb/3kg capacity Small Premier Chocolate Refiner (countertop model).\nPlease kindly make sure you select the right type of roller stones for your holder. The stainless holders use a 10 mm shaft whereas the Plastic stone holders use an 8 mm shaft. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0287/1738/files/roller-stones.jpg?v=1711747637"],"price":40,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:21.049Z"},"share_url":"https://firestarter.network/l/lst_i8K_46Wp","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_i8K_46Wp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Spare Part - 2 Roller Stones for Small (8lb/1.5L) refiner' and a budget_max comfortably above $40.00 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."]}}