{"type":"firestarter.listing","listing":{"id":"lst_-UeRQYwD","product_name":"Solid Gold 18K Pencil Extender","category":"Pencils","description":"Note:  These are currently sold out, but will return soon. \nThis is a rare piece made for us in Italy by our old partners and friends, the Ferraris of Varese, near Milan. It will hold full size or shortened pencils, in the same design theme as our shorter sterling version. \n.750 markings along with makers mark at the top\n6.25\" / 160mm\n.777oz / 22.08g\n$2900","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/18KLongPencilHolderweb.jpg?v=1657561945","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/18KPencilHoldernopencil.jpg?v=1657561945","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/18KPencilHolderred1.jpg?v=1657561945"],"price":2900,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.498Z"},"share_url":"https://firestarter.network/l/lst_-UeRQYwD","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_-UeRQYwD' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Solid Gold 18K Pencil Extender' and a budget_max comfortably above $2900.00 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."]}}