{"type":"firestarter.listing","listing":{"id":"lst_w-SqPlcz","product_name":"Prebiotics Double Subscription","category":null,"description":"Helps kids’ poop ‘slip out better’. A high quality, gentle blend for regular poopies, predictable potty time and improved gut health.","images":["https://cdn.shopify.com/s/files/1/0273/3113/3520/files/DoubleSub.png?v=1776091078","https://cdn.shopify.com/s/files/1/0273/3113/3520/files/GUP28F.png?v=1776091078","https://cdn.shopify.com/s/files/1/0273/3113/3520/files/GUP28B.png?v=1776091078"],"price":79.9,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:57.275Z"},"share_url":"https://firestarter.network/l/lst_w-SqPlcz","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_w-SqPlcz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Prebiotics Double Subscription' and a budget_max comfortably above $79.90 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."]}}