{"type":"firestarter.listing","listing":{"id":"lst_qNWyS4Z5","product_name":"Gymshark Vintage Legacy T-Shirt - Black","category":"Mens>Apparel>SS Tops>t_shirt","description":"BUILD YOUR LEGACYA collection designed to make gains and build legacies. Old-school styles meet new-school functionalities with classic cuts, fresh fabrics and a graphic that nods to our Gymshark legacy. It’s what our legacy was built on. Now it’s time to build yours.\nWashed &amp; distressed details for a worn-in look\nClassic bodybuilding shape\nOld-school Legacy logo on the chest\nSIZE &amp; FIT\nOversized boxy fit: designed to sit at the waist\n\nModel is 5'9\" and wears M\nMATERIALS &amp; CARE95% Cotton, 5% ElastaneSKU: A4C2J-BB2J","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSBlackA4C2J_BB2J_0914_V1.jpg?v=1776973466","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSBlackA4C2J_BB2J_0922_V1.jpg?v=1776973467","https://cdn.shopify.com/s/files/1/0156/6146/files/26407028.jpg?v=1779207189","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSBlackA4C2J_BB2J_0917_V1.jpg?v=1776973467","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSBlackA4C2J_BB2J_0919_V1.jpg?v=1776973466"],"price":32,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:18.837Z"},"share_url":"https://firestarter.network/l/lst_qNWyS4Z5","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_qNWyS4Z5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Vintage Legacy T-Shirt - Black' and a budget_max comfortably above $32.00 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."]}}