{"type":"firestarter.listing","listing":{"id":"lst_HTthp-6M","product_name":"Keepsake Photo Envelope","category":null,"description":"Beautiful leather envelope to fit a handful of photographs.\nPrice includes one engraving on the bottom flap of the envelope. \nFor custom engraving: Max engraving size of 2” x 3”. Proof provided and one change allowed, thereafter changes occur a fee of $10/ version. ","images":["https://cdn.shopify.com/s/files/1/1480/3502/products/Cristi-KeepsakeEnvelope-EspacioHandmade.jpg?v=1742481553"],"price":74,"currency":"USD","in_stock":true,"inventory_qty":299970,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:50.828Z"},"share_url":"https://firestarter.network/l/lst_HTthp-6M","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_HTthp-6M' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keepsake Photo Envelope' and a budget_max comfortably above $74.00 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."]}}