{"type":"firestarter.listing","listing":{"id":"lst_1z5bWOh-","product_name":"Mar Cotton & Linen Shirt","category":"Shirts","description":"Description\nOur Mar Shirt blends the design of a classic mechanic's work shirt with high-quality cotton and linen fabric, accented by mother-of-pearl buttons. It features two large chest pockets, vented side seams, and a double back yoke detail.\nDetails\n\n55% cotton, 45% linen, woven in Portugal\nMother-of-pearl buttons\nMade in Portugal\n\nCare\nWash on cold and dry flat in shade.\n","images":["https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Bone_Front_2512cdf9-dcf9-4041-b3ed-0979ce9c5391.jpg?v=1768255160","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Bone_Back_6aa48c80-a6a2-4027-ad53-736b5a27e591.jpg?v=1768255160","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Bone_Detail_75a4f6bf-1e4c-41e3-ab3f-91c0d829e7b5.jpg?v=1768255160","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Marketing_MediaBrandMediaAssetsPhotography2026Spring_SummerLookbookLuster-21.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Dune_Front.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Dune_Back.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Dune_Detail.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Mocha_Front.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Mocha_Back.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mar_Cotton___Linen_Shirt_Mocha_Detail.jpg?v=1773278377","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Marketing_MediaBrandMediaAssetsPhotography2026Spring_SummerLookbookLuster-15_5de2e649-c414-4e85-93dd-de6299622d80.jpg?v=1773278377"],"price":195,"currency":"USD","in_stock":true,"inventory_qty":89991,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:23.595Z"},"share_url":"https://firestarter.network/l/lst_1z5bWOh-","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_1z5bWOh-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mar Cotton & Linen Shirt' and a budget_max comfortably above $195.00 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."]}}