{"type":"firestarter.listing","listing":{"id":"lst_2UvCS6iV","product_name":"Micro Rechargeable Violin Tuner","category":"D'Addario","description":"The Micro Rechargeable Violin Tuner is the sleekest, most efficient way to tune your instrument. It features an easy-to-read, multi-color display in an attractive compact design and is fully rechargeable with the included USB-C cable. A non-marring, lever-lock clamp holds the violin tuner securely to the instrument, while still allowing easy application and removal. This precision violin tuner is not only perfect for tuning, but the unique mounting system and fast pitch response allow it to be used as an effective practice tool for referencing and improving intonation while playing. U.S. Design Pat. No. D1,109,229; 中国外观设计专利 ZL2024307029293.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_pw-ct-34_main_transparent_web.png?v=1773014169","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_pw-ct-34_detail1_transparent_web.png?v=1773014169","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_pw-ct-34_detail2_transparent_web.png?v=1773014170","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_pw-ct-34_onviolin1_transparent_web.png?v=1773014170","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_pw-ct-34_onviolin2_transparent_web.png?v=1773014170","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_micro_tuner_EnhancedImage1_transparent_web_98ac61e1-0b64-439c-976e-b18d0af27685.png?v=1773014171","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_micro_tuner_EnhancedImage2_transparent_web_cfc4dc0a-a7e4-4d2e-9701-9b9cfbe25bef.png?v=1773014171","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_micro_tuner_EnhancedImage3_transparent_web_db5a9b83-9087-4bb8-b81d-8162d2a3514d.png?v=1773014172","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_micro_tuner_EnhancedImage4_transparent_web_a8a42dfe-8246-461c-9869-24538fca555a.png?v=1773014172"],"price":29.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.296Z"},"share_url":"https://firestarter.network/l/lst_2UvCS6iV","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_2UvCS6iV' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Micro Rechargeable Violin Tuner' and a budget_max comfortably above $29.99 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."]}}