{"type":"firestarter.listing","listing":{"id":"lst_nmeFLJza","product_name":"Button Down Boxy Shirt | Percival x Guinness | White","category":"Shirting","description":"Guinness x Percival - while stocks last. Men’s button down Oxford shirt. Intricate embroidery with detailed logos on chest pocket. Boxy shape, perfect for layering. On tap taste, the collaboration you knew you needed.*Please note that all products from the Guinness x Percival collection are excluded from promotions*\nMen's Guinness White Shirt\n\nFeatures: Men's oxford shirt cut in a boxy shape. Chest pocket with embroidery detailed Guinness and Percival logo. Made in limited quantities, a classic style.\nColour: White\nMaterial: 97% Cotton, 3% Elastane\nCare: Wash at 30 degrees\nModel is 6ft and wears a medium\n\nCollection: Guinness x Percival\n\n\n","images":["https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR2_b8d6ede9-4138-4c1e-8bae-4176cd0bae85.jpg?v=1761232118","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR3_e758041e-4b74-4b97-8928-5e8b25ae6d16.jpg?v=1761232118","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR1_b3c5cd52-2238-430c-a39a-0f841ac1e2ad.jpg?v=1761232117","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR4_23c3c371-f176-4913-95ed-ec013a81caf1.jpg?v=1761232118","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR5_37bcf6c0-edc2-4cda-adcd-358e50bd66fb.jpg?v=1761232116","https://cdn.shopify.com/s/files/1/1479/8488/files/18070015.jpg?v=1761577716","https://cdn.shopify.com/s/files/1/1479/8488/files/18040001.jpg?v=1761577718","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR8_50b726d1-863b-4e6d-b4e5-7127c971fefa.jpg?v=1761577715","https://cdn.shopify.com/s/files/1/1479/8488/files/ButtonDownBoxyShirt-PercivalxGuinness-White.jpg?v=1761584928"],"price":190,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:17.629Z"},"share_url":"https://firestarter.network/l/lst_nmeFLJza","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_nmeFLJza' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Button Down Boxy Shirt | Percival x Guinness | White' and a budget_max comfortably above $190.00 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."]}}