{"type":"firestarter.listing","listing":{"id":"lst_9LTvK66_","product_name":"Pro-Arté Lightly Polished Composite Basses","category":"D'Addario","description":"Pro-Arté Lightly Polished Composites are the perfect replacement string for the D'Addario Pro-Arté \"lightly polished\" classical guitar string sets","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4505LP_main_transparent.png?v=1773013214","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4506LP_main_transparent.png?v=1773013214","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4504LP_main_transparent.png?v=1773013214","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4604LP_main_transparent.png?v=1773013215","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4605LP_main_transparent.png?v=1773013215","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_J4606LP_main_transparent.png?v=1773013215"],"price":5.19,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.519Z"},"share_url":"https://firestarter.network/l/lst_9LTvK66_","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_9LTvK66_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pro-Arté Lightly Polished Composite Basses' and a budget_max comfortably above $5.19 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."]}}