{"type":"firestarter.listing","listing":{"id":"lst_PlJBkTHN","product_name":"Short Sleeve Grandad Shirt Fritton Black","category":"Shirts-Spring Archive 26","description":"\nThe iconic grandad collar shirt has been given a short-sleeved makeover, creating a unique casual silhouette for the warm summer months. Cut in a cotton and linen blend fabric, the deep black tone looks slick as part of an all-black look, or use it to off-set whites and creams for a stand-out monochrome ensemble.","images":["https://cdn.shopify.com/s/files/1/0272/3338/6538/products/OSMS161FRI01BLKShortSleeveGrandadShirtFrittonBlack1_6a529308-693d-43c4-b312-3c3ce1ac2976.jpg?v=1627480861","https://cdn.shopify.com/s/files/1/0272/3338/6538/products/ShortSleeveGrandadShirtFrittonBlack.jpg?v=1627480855","https://cdn.shopify.com/s/files/1/0272/3338/6538/products/OSMS161FRI01FRIFrittonBlack2_4d646f4e-fbb4-4179-ac24-53c26228baa2.jpg?v=1627480851","https://cdn.shopify.com/s/files/1/0272/3338/6538/products/OSMS161FRI01FRIFrittonBlack3_74919cf1-c9f1-4942-9388-b7597b1577d2.jpg?v=1627480851","https://cdn.shopify.com/s/files/1/0272/3338/6538/products/ShortSleeveGrandadShirtFrittonBlack1.jpg?v=1627480851","https://cdn.shopify.com/s/files/1/0272/3338/6538/products/OSMS161FRI01FRIFrittonBlack4_51c82143-cefb-447f-8e2e-356273e2cab9.jpg?v=1627480851"],"price":78,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:28.430Z"},"share_url":"https://firestarter.network/l/lst_PlJBkTHN","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 ","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_PlJBkTHN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Short Sleeve Grandad Shirt Fritton Black' and a budget_max comfortably above $78.00 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."]}}