{"type":"firestarter.listing","listing":{"id":"lst_H8C3amUU","product_name":"Saphir Natural Horsehair Brush -  Add On","category":"Shoe Care","description":"The Horsehair Brush is an indispensable part of your kit. The brush gently swipes away dust from the surface and buffs your shoes to a glorious shine.","images":["https://cdn.shopify.com/s/files/1/0175/8496/products/beckett-simonon-brush.jpg?v=1759259188"],"price":45,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:46.344Z"},"share_url":"https://firestarter.network/l/lst_H8C3amUU","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_H8C3amUU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Saphir Natural Horsehair Brush -  Add On' and a budget_max comfortably above $45.00 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."]}}