{"type":"firestarter.listing","listing":{"id":"lst_X9Nf1vI9","product_name":"Letter-pressed Postcard","category":"Accessories","description":null,"images":["https://cdn.shopify.com/s/files/1/2006/8681/products/RD_5_11_POSTCARD_005.jpg?v=1621522823","https://cdn.shopify.com/s/files/1/2006/8681/products/RD_5_11_POSTCARD_009.jpg?v=1621526507","https://cdn.shopify.com/s/files/1/2006/8681/products/RD_5_11_POSTCARD_010.jpg?v=1621526507","https://cdn.shopify.com/s/files/1/2006/8681/products/RD_5_11_POSTCARD_002.jpg?v=1621526507","https://cdn.shopify.com/s/files/1/2006/8681/products/RD_5_11_POSTCARD_001.jpg?v=1621538878"],"price":1,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:09.798Z"},"share_url":"https://firestarter.network/l/lst_X9Nf1vI9","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_X9Nf1vI9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Letter-pressed Postcard' and a budget_max comfortably above $1.00 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."]}}