{"type":"firestarter.listing","listing":{"id":"lst_WRDByfte","product_name":"Gymshark Vital Seamless T-Shirt - White/Port","category":"Mens>Apparel>SS Tops>t_shirt","description":"LOOK GOOD. TRAIN HARD.Vital is equal parts performance and physique-enhancing. Because when you look good, you train harder. It’s just science.\nSuper lightweight material (187GSM) keeps you moving freely\nMuscle-fit and contouring makes your physique look sick\nSweat-wicking material pulls moisture from your skin, so you stay focused\nSIZE &amp; FIT\nSlim fit\nModel is 5'10\" and wears size M\nMATERIALS &amp; CARE\n65% Nylon, 35% Polyester\n187gsm, lightweight fabric\nSKU: A2B5P-RCJB","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0047_V1.jpg?v=1774360927","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0075_V1.jpg?v=1774360927","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0062_V1.jpg?v=1774360927","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0053_V1.jpg?v=1774360927","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0079_V1.jpg?v=1774360927","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessT_ShirtGSWhitePortA2B5P_RCJB_0069_V1.jpg?v=1774360927"],"price":38,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:19.576Z"},"share_url":"https://firestarter.network/l/lst_WRDByfte","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_WRDByfte' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Vital Seamless T-Shirt - White/Port' and a budget_max comfortably above $38.00 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."]}}