{"type":"firestarter.listing","listing":{"id":"lst_HMPsr_pI","product_name":"Cast Iron Door Stop","category":"MISC UTILITY","description":"Cast iron door stop from Blackcreek Mercantile. \nMade in Kingston, New York. ","images":["https://cdn.shopify.com/s/files/1/1713/4363/files/blackcreek-mercantile-cast-iron-door-stop-18937-615980.jpg?v=1744734460"],"price":440,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:15.734Z"},"share_url":"https://firestarter.network/l/lst_HMPsr_pI","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_HMPsr_pI' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cast Iron Door Stop' and a budget_max comfortably above $440.00 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."]}}