{"type":"firestarter.listing","listing":{"id":"lst_KqZxvGB2","product_name":"Calder Sneakers - Nubuck - Men's","category":"Sneakers","description":"Understated elegance for everyday wear.\nCrafted from high-quality nubuck leather, this slip-on sneaker delivers a soft, velvety feel with the durability to handle day-to-day wear. The modern minimalist design features a clean, streamlined profile that slides seamlessly into any wardrobe. The three flexible elastic bands  make slipping them on a breeze, while ensuring a comfortably secure fit. Rendered in an elegant sand color, this shoe is as versatile as it is timeless, light enough for summer, grounded enough for fall, and easy to pair with anything from denim to dressier ensembles.\nThis product is made from supply and sultry nubuck leather sourced from a Gold-Rated tannery based in Arzignano, Italy. Being the highest level of recognition awarded by the Leather Working Group, a Gold rating signifies the leather manufacturer meets the most stringent criteria and demonstrates a strong commitment to mitigating its environmental impact.","images":["https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandwhite_1_calder_sneakers_nubuck.jpg?v=1756332597","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandwhite_2_calder_sneakers_nubuck.jpg?v=1756332599","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandwhite_3_calder_sneakers_nubuck.jpg?v=1756332603","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandwhite_4_calder_sneakers_nubuck.jpg?v=1756332603","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandwhite_5_calder_sneakers_nubuck.jpg?v=1756332606","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandgum_1_calder_sneakers_nubuck.jpg?v=1756332608","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandgum_2_calder_sneakers_nubuck.jpg?v=1756332610","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandgum_3_calder_sneakers_nubuck.jpg?v=1756332612","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandgum_4_calder_sneakers_nubuck.jpg?v=1756332614","https://cdn.shopify.com/s/files/1/0175/8496/files/color_sandgum_5_calder_sneakers_nubuck.jpg?v=1756332616"],"price":179,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:46.285Z"},"share_url":"https://firestarter.network/l/lst_KqZxvGB2","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_KqZxvGB2' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Calder Sneakers - Nubuck - Men's' and a budget_max comfortably above $179.00 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."]}}