{"type":"firestarter.listing","listing":{"id":"lst_yTQyOerL","product_name":"Gymshark Crest Oversized T-Shirt - GS Black","category":"Mens>Apparel>SS Tops>t_shirt","description":"CONSISTENTLY COMFORTABLE, CASUALLY STYLISHVersatile designs made from soft, durable fabrics mean you can wear Crest anywhere and pair it with anything. So if comfort’s your goal, Crest’s your new go-to.\nComfortable, soft cotton\nVersatile design &amp; colours make it great for gym or rest day\nDurable embroidered logo lasts through every wear\nSIZE &amp; FIT\nOversized fit\nModel is 5'10\" and wears M\nMATERIALS &amp; CARE100% CottonSKU: A4C5A-BB2J","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0484_V2.jpg?v=1769450533","https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0489_V2.jpg?v=1769450533","https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0480_V2.jpg?v=1769450533","https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0486_V2.jpg?v=1769450533","https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0493_V2.jpg?v=1769450533","https://cdn.shopify.com/s/files/1/0156/6146/files/images-CrestOversizedT_ShirtGSBlackA4C5A_BB2J_0497_V2.jpg?v=1769450533"],"price":26,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:24.172Z"},"share_url":"https://firestarter.network/l/lst_yTQyOerL","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_yTQyOerL' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Crest Oversized T-Shirt - GS Black' and a budget_max comfortably above $26.00 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."]}}