{"type":"firestarter.listing","listing":{"id":"lst_MS2K7WDu","product_name":"Small Acme Cup - White","category":"Home","description":"An everyday drinking cup with a standard format. Comes with a matching saucer. Designed for coffee, tea, or whatever you’re into.","images":["https://cdn.shopify.com/s/files/1/0562/9737/files/JJJJ_AcmeCup_White_Ecom.jpg?v=1756236365","https://cdn.shopify.com/s/files/1/0562/9737/files/JJJJ_ESPRESSO_02.jpg?v=1756990931"],"price":50,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:29:51.979Z"},"share_url":"https://firestarter.network/l/lst_MS2K7WDu","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_MS2K7WDu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Small Acme Cup - White' and a budget_max comfortably above $50.00 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."]}}