{"type":"firestarter.listing","listing":{"id":"lst_vESFLJyg","product_name":"3.15 Pencil Refills","category":"Refills","description":"♦ 3.15mm width, available in graphite HB (one included), 2B, and 5B. Pastel refills in red, blue, green and yellow. Sold in 6 packs.\n♦ These are the refills for our Model 90 Artium pencil. ","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90_Pencil_and_Lead_close_69b72c27-6b2c-443c-8602-91f9db14c927.jpg?v=1568141566"],"price":6,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.852Z"},"share_url":"https://firestarter.network/l/lst_vESFLJyg","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_vESFLJyg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 3.15 Pencil Refills' and a budget_max comfortably above $6.00 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."]}}