{"type":"firestarter.listing","listing":{"id":"lst_Ixf1n39K","product_name":"Brook Shirt Hart Cream","category":"Shirts-Winter 25","description":"Preppy, casual, and timeless, the button-down shirt has its origins in the British military but it was popularised by Ivy League students in the 50s and 60s. Now a staple of the modern preppy aesthetic, the button-down is a versatile layer. This cream version is crafted in 100% organic cotton and features a blue stripe detail.","images":["https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream.png?v=1765811006","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream_Model_1.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream_Model_Back_Shot.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream_Model_Shot_2.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-HAR01CREDETAIL1.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-HAR01CREDETAIL2.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream_Model_Shot_3.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/Brook_Shirt_Hart_Cream_Model_Back_shot_1.jpg?v=1773848991","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-HAR01CREDETAIL4.jpg?v=1765811006"],"price":92,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:29.471Z"},"share_url":"https://firestarter.network/l/lst_Ixf1n39K","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_Ixf1n39K' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Brook Shirt Hart Cream' and a budget_max comfortably above $92.00 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."]}}