{"type":"firestarter.listing","listing":{"id":"lst_4hi38PjQ","product_name":"Gymshark Vintage Legacy T-Shirt - Stealth Blue","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-UD6S","images":["https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSStealthBlueA4C2J_UD6S_0953.jpg?v=1776973561","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSStealthBlueA4C2J_UD6S_0961.jpg?v=1776973560","https://cdn.shopify.com/s/files/1/0156/6146/files/26407053.jpg?v=1779207204","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSStealthBlueA4C2J_UD6S_0956.jpg?v=1776973561","https://cdn.shopify.com/s/files/1/0156/6146/files/images-VintageLegacyT_ShirtGSStealthBlueA4C2J_UD6S_0958.jpg?v=1776973561"],"price":32,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:18.898Z"},"share_url":"https://firestarter.network/l/lst_4hi38PjQ","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_4hi38PjQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymshark Vintage Legacy T-Shirt - Stealth Blue' 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."]}}