{"type":"firestarter.listing","listing":{"id":"lst_rdm0tJ3I","product_name":"Brook Shirt Mayhew White","category":"Shirts-Spring 26","description":"The Brook shirt is a timeless button-down collar shirt for those preppy smart-casual looks. This style has been made using an organic cotton cloth in a white tone. Wear it with our tailored shorts in the summer or any of our seasonal trouser styles.","images":["https://cdn.shopify.com/s/files/1/0272/3338/6538/files/BrookShirtPhaidonNavy-1.png?v=1769598279","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHI02541.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHI02561.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHI0257.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHIDETAIL1.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHIDETAIL2.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHIDETAIL3.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHI0254.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHI0256.jpg?v=1773837248","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/OSMS162A-MAY01WHIDETAIL4.jpg?v=1770985866"],"price":160,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:29.309Z"},"share_url":"https://firestarter.network/l/lst_rdm0tJ3I","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_rdm0tJ3I' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Brook Shirt Mayhew White' and a budget_max comfortably above $160.00 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."]}}