{"type":"firestarter.listing","listing":{"id":"lst_SI0deyq0","product_name":"Saddle Loafer ~ Black Calf","category":"Footwear","description":"The Saddle Loafer is a custom makeup for 3sixteen by Sanders &amp; Sanders, a heritage shoemaker based in the UK for over 150 years. We love the classic penny loafer, but decided to remove the traditional cut out on the saddle for a minimal look. Each pair is bench made in Sanders' Northampton factory. \nCARE: The matte finish of the leather makes for easy upkeep. Dirt and dust can be easily brushed off and cleaned off with a damp cloth with water only.\nSIZING: Please note that Sanders utilizes UK sizing; as such we recommend taking one size down from your usual sneaker size. \n!split!\n!details!\n\nBlack calf leather upper\nGoodyear welted\nLeather sole \nMade in England\n\n!split!\n!measurements!\nSIZING: Please note that Sanders utilizes UK sizing; as such we recommend taking one size down from your usual sneaker size. ","images":["https://cdn.shopify.com/s/files/1/0028/6132/files/3S-03MAR26_3SxSANDERS_LOAFER_SIDE.jpg?v=1773930457","https://cdn.shopify.com/s/files/1/0028/6132/files/3S-03MAR26_3SxSANDERS_LOAFER_ANGLE.jpg?v=1773930457","https://cdn.shopify.com/s/files/1/0028/6132/files/3S-03MAR26_3SxSANDERS_LOAFER_BACK.jpg?v=1773930457","https://cdn.shopify.com/s/files/1/0028/6132/files/3S-03MAR26_3SxSANDERS_LOAFER_D.jpg?v=1773930457","https://cdn.shopify.com/s/files/1/0028/6132/files/3S-03MAR26_3SxSANDERS_LOAFER_TOP.jpg?v=1773930432"],"price":495,"currency":"USD","in_stock":true,"inventory_qty":119988,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:17.753Z"},"share_url":"https://firestarter.network/l/lst_SI0deyq0","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_SI0deyq0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Saddle Loafer ~ Black Calf' and a budget_max comfortably above $495.00 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."]}}