{"type":"firestarter.listing","listing":{"id":"lst_JzcrVFkj","product_name":"McKee's 37 Official Brand T-Shirt","category":null,"description":"You can't detail with McKee's 37 unless you're WEARING McKee's 37!\nMcKee's 37 Official Brand T-Shirt shows the world you are serious about one thing - quality car care. Whether you are a professional detailer, or someone that just likes to wax on the weekends, your McKee's 37 T-Shirt proves your capability and success. Made from 100% preshrunk cotton, McKee's 37 Official Brand T-Shirt features a screen-printed logo on both the left breast (with pocket!) and a larger logo on across the back.\nWhile you're stocking up on your favorite McKee's 37 Car Care Products, make sure you grab your matching McKee's 37 Official Brand T-Shirt!","images":["https://cdn.shopify.com/s/files/1/0587/0449/4755/products/86c534e7-d3f2-4708-b221-273faeca721e.png?v=1632425381"],"price":19.99,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:45.210Z"},"share_url":"https://firestarter.network/l/lst_JzcrVFkj","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_JzcrVFkj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy McKee's 37 Official Brand T-Shirt' and a budget_max comfortably above $19.99 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."]}}