{"type":"firestarter.listing","listing":{"id":"lst_J3nuC3OA","product_name":"Sand-Casted Brass Knobs","category":"Hardware","description":" \nA simple but transformative design element, these artisan crafted brass knobs will age beautifully and last a lifetime. Brass is revered for the subtle patina it develops over time, slowly transforming and becoming more tied to people and place, deepening in both complexity and meaning. These tactile knobs can be installed on cabinets, dresser drawers, closet doors, etc.\n\n0.75\" in length, ~0.5\" in diameter at widest point\n1\" L, 25mm screw\n\nMaterials: Lead-free brass knob, lead-free brass screw.\nDesigned and made in Japan. Each knob is handcrafted to order. \nSold individually","images":["https://cdn.shopify.com/s/files/1/1005/8524/files/KrisLeBoeuf-NotaryCeramics-1464.jpg?v=1782927107","https://cdn.shopify.com/s/files/1/1005/8524/files/KrisLeBoeuf-NotaryCeramics-1470.jpg?v=1782927068"],"price":54,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T10:01:17.796Z"},"share_url":"https://firestarter.network/l/lst_J3nuC3OA","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_J3nuC3OA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sand-Casted Brass Knobs' and a budget_max comfortably above $54.00 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."]}}