{"type":"firestarter.listing","listing":{"id":"lst_NN1-E9gY","product_name":"Select Jazz Alto Sax Mouthpiece","category":"D'Addario","description":"The D'Addario Select Jazz mouthpiece captures the feel and tone of legendary artists from years past. Now, today's saxophonists have a chance to discover for themselves the sound that, for decades, set the standard of jazz.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D5M_main_transparent_web.png?v=1773014520","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D6M_main_transparent.png?v=1773014520","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D7M_main_transparent.png?v=1773014521","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D8M_main_transparent.png?v=1773014522","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D5M_detail1_transparent_web.png?v=1773014521","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D6M_detail1_transparent.png?v=1773014522","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D7M_detail1_transparent.png?v=1773014522","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D8M_detail1_transparent.png?v=1773014523","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D5M_detail2_transparent_web.png?v=1773014523","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D6M_detail2_transparent.png?v=1773014523","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D7M_detail2_transparent.png?v=1773014523","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D8M_detail2_transparent.png?v=1773014524","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D5M_detail3_transparent_web.png?v=1773014524","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D6M_detail3_transparent.png?v=1773014525","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D7M_detail3_transparent.png?v=1773014525","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D8M_detail3_transparent.png?v=1773014526","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/dw_MJS-D5M_detail4_transparent_web.png?v=1773014526"],"price":182.99,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.814Z"},"share_url":"https://firestarter.network/l/lst_NN1-E9gY","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_NN1-E9gY' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Select Jazz Alto Sax Mouthpiece' and a budget_max comfortably above $182.99 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."]}}