{"type":"firestarter.listing","listing":{"id":"lst_VVGr43u5","product_name":"Gymshark Vital Long Sleeve T-Shirt - Black/Silhouette Grey","category":"Mens>Apparel>LS 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.\n\n• Super lightweight material (187gsm) keeps you moving freely\n• Muscle-fit and contouring makes your physique look sick\n• Sweat-wicking material pulls moisture from your skin, so you stay focusedSIZE &amp; FIT\n• Slim fit\n• Regular length\n• Model is 6'0\" and wears a size M\n \nMATERIALS &amp; CARE \n• 65% Nylon, 35% Polyester\n• 187gsm, lightweight fabric\nSKU: A2B5K-BBMW","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessLongSleeveT_ShirtBlack_SilhouetteGreyA2B5K_BBMW_1023.jpg?v=1749719547","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessLongSleeveT_ShirtBlack_SilhouetteGreyA2B5K_BBMW_1048.jpg?v=1749719547","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessLongSleeveT_ShirtBlack_SilhouetteGreyA2B5K_BBMW_1032.jpg?v=1749719547","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessLongSleeveT_ShirtBlack_SilhouetteGreyA2B5K_BBMW_1050.jpg?v=1749719547","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VitalSeamlessLongSleeveT_ShirtBlack_SilhouetteGreyA2B5K_BBMW_1046.jpg?v=1749719547"],"price":42,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:23.470Z"},"share_url":"https://firestarter.network/l/lst_VVGr43u5","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_VVGr43u5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Vital Long Sleeve T-Shirt - Black/Silhouette Grey' and a budget_max comfortably above $42.00 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."]}}