{"type":"firestarter.listing","listing":{"id":"lst_Kjr0QpUK","product_name":"Rosin Guard with Natural Dark Bow Rosin","category":"D'Addario","description":"D'Addario's Rosin Guard helps players extend the life of their rosin by keeping it secure on all sides. The comfortable shock-absorbent grip allows for easy and effective application to the bow while the magnetic backing makes sure the Rosin Guard is always within reach. The guard protects rosin from breakage, extending the life of each rosin cake. It includes D'Addario Natural Dark Rosin and can be refilled with any D'Addario Natural Rosin, as well as Clarity Rosin.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_DRGBK-VR300_main_transparent_web.png?v=1774550079","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_DRGBK-VR300_detail1_transparent_web.png?v=1773014629","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/do_DRGBK-VR300_detail2_transparent_web.png?v=1773014629"],"price":10.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.691Z"},"share_url":"https://firestarter.network/l/lst_Kjr0QpUK","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 ","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_Kjr0QpUK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rosin Guard with Natural Dark Bow Rosin' and a budget_max comfortably above $10.99 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."]}}