{"type":"firestarter.listing","listing":{"id":"lst_F352FFAd","product_name":"Brook Shirt Northfield Black","category":"Shirts-Spring Archive 26","description":"Every spring wardrobe needs a timeless button-down collar shirt for those preppy-inspired casual looks, and in the Brook shirt we think we've created a modern classic. This black and red check version has been cut from a soft 100% linen fabric for a lightweight finish that is perfect worn with chinos or denim.","images":["https://cdn.shopify.com/s/files/1/0272/3338/6538/files/FlatOSMS162BrookShirtNOR01BLKNorthfieldBlack4.jpg?v=1708679684","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/ModelOSMS162BrookShirtNOR01BLKNorthfieldBlack45copy.jpg?v=1710754217","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/ModelOSMS162BrookShirtNOR01BLKNorthfieldBlack48copy.jpg?v=1710754216","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/FlatOSMS162BrookShirtNOR01BLKNorthfieldBlack5.jpg?v=1710754219","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/FlatOSMS162BrookShirtNOR01BLKNorthfieldBlack6.jpg?v=1710754219","https://cdn.shopify.com/s/files/1/0272/3338/6538/files/ModelOSMS162BrookShirtNOR01BLKNorthfieldBlack45.jpg?v=1710754223"],"price":115,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:28.590Z"},"share_url":"https://firestarter.network/l/lst_F352FFAd","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_F352FFAd' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Brook Shirt Northfield Black' and a budget_max comfortably above $115.00 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."]}}