{"type":"firestarter.listing","listing":{"id":"lst_qRH5MWEt","product_name":"Precision Machining T-Shirt","category":"Merch","description":"   \n  We're a machine shop that happens to make great pens, pencils, knives, and now merch.        DETAILS          Comfort Colors Heavyweight Adult T-Shirt 100% Ring Spun US Cotton Preshrunk, Relaxed Fit Recommend sizing down         SIZING          \nSize\nLength\nWidth\nSleeve center back\n \nS\n18.25\"\n26.625\"\n16.25\"\n \nM\n20.25\"\n28\"\n17.75\"\n \nL\n22\"\n29.375\"\n19\"\n \nXL\n24\"\n30.75\"\n20.5\"\n \nXXL\n26\"\n31.625\"\n21.75\"\n \n3XL\n27.75\"\n32.5\"\n23.25\"\n          ","images":["https://cdn.shopify.com/s/files/1/0082/2840/5353/files/shirt_precisionwhite_front.jpg?v=1774929816","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/shirt_precisionwhite_back.jpg?v=1774929816","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/shirt_precisiongray_front.jpg?v=1774929816","https://cdn.shopify.com/s/files/1/0082/2840/5353/files/shirt_precisiongray_back.jpg?v=1774929816"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:18.081Z"},"share_url":"https://firestarter.network/l/lst_qRH5MWEt","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_qRH5MWEt' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Precision Machining T-Shirt' and a budget_max comfortably above $25.00 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."]}}