{"type":"firestarter.listing","listing":{"id":"lst_6Z3nmy9A","product_name":"Eclipse Cello/Bass Tuner, Black","category":"D'Addario","description":"D’Addario electronic tuners are designed by musicians for musicians featuring intuitive features, easy to read displays, and exceptional tuning accuracy.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_pw-ct-17CBK_main_transparent.png?v=1773014091","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_pw-ct-17cabk_detail2_transparent_bd04868f-1209-486b-80d7-11420a9f2eca.png?v=1773014093","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_pw-ct-17cbk_detail3_transparent.png?v=1773014092","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_pw-ct-17cbk_detail4_transparent.png?v=1773014092","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_Eclipse_tuners_EnhancedImage3_transparent_web.png?v=1773014094"],"price":17.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.423Z"},"share_url":"https://firestarter.network/l/lst_6Z3nmy9A","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_6Z3nmy9A' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Eclipse Cello/Bass Tuner, Black' and a budget_max comfortably above $17.99 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."]}}