{"type":"firestarter.listing","listing":{"id":"lst_u9VAkMum","product_name":"Micro Viola Tuner","category":"Orchestral","description":"The Micro VIola Tuner features an easy-to-read, multi-color display in an attractive compact design. A non-marring, lever-lock clamp holds the tuner securely to the instrument while allowing easy application and removal. The precision Violin / Viola tuner is not only perfect for tuning, 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.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-CT-25_main_transparent_web_2e48b9b5-fdb6-49bd-921c-1dc4b95a62cd.png?v=1778099189","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-CT-14_plp_maintransparent.png?v=1778099194","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-CT-25_detail1_transparent_web_0f0656c8-d1df-4a3a-aa6b-cf38c40bfe10.png?v=1778099192"],"price":25.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.251Z"},"share_url":"https://firestarter.network/l/lst_u9VAkMum","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_u9VAkMum' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Micro Viola Tuner' and a budget_max comfortably above $25.99 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."]}}