{"type":"firestarter.listing","listing":{"id":"lst_GkCR1Fzg","product_name":"Faceted Granite Cup","category":"Tea Cups","description":"These handsome, faceted granite cups fondly reminds us of Therme Vals, Peter Zumthor's Swiss masterpiece. The stony grey glaze reveal subtle, delicate brush marks and variations.","images":["https://cdn.shopify.com/s/files/1/0041/3842/products/0421_Bellocq_FacetedCup-1443.jpg?v=1619102438"],"price":24,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:17.987Z"},"share_url":"https://firestarter.network/l/lst_GkCR1Fzg","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_GkCR1Fzg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Faceted Granite Cup' and a budget_max comfortably above $24.00 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."]}}