{"type":"firestarter.listing","listing":{"id":"lst_L-Q_HeJp","product_name":"AMG Handle Knob","category":"Spare Parts","description":"Replacement red handle knob for the AMG series carts. Comes in 1, 2 or 4-pack.\n\n\nSize: 5/16\"-18 thread x 2\" - 1.25\" D knob\n\n\nFinish: Black Oxide\n\nMaterial: Polypropylene &amp; Steel\n","images":["https://cdn.shopify.com/s/files/1/0931/2816/products/IMG_7494.jpg?v=1564729776","https://cdn.shopify.com/s/files/1/0931/2816/products/amg-knobs1.jpg?v=1564729900","https://cdn.shopify.com/s/files/1/0931/2816/products/amg-knobs2.jpg?v=1564729901"],"price":7.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:23.266Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_L-Q_HeJp","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_L-Q_HeJp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy AMG Handle Knob' and a budget_max comfortably above $7.99 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."]}}