{"type":"firestarter.listing","listing":{"id":"lst_uCwpwsc3","product_name":"Vintage Mountain Lake Painting, 1960s. Maine","category":"Art","description":"\nOil on canvas board\n\nNice vintage condition, some wear to frame\nHanging hardware\n11.25\" L x 0.75\" D x 9.5\" H\n\nSigned on reverse\n","images":["https://cdn.shopify.com/s/files/1/0720/5824/1345/files/jefferson-1.jpg?v=1772002985","https://cdn.shopify.com/s/files/1/0720/5824/1345/files/jefferson-4.jpg?v=1772002985","https://cdn.shopify.com/s/files/1/0720/5824/1345/files/jefferson-3.jpg?v=1772002985","https://cdn.shopify.com/s/files/1/0720/5824/1345/files/jefferson-2.jpg?v=1772002985"],"price":158,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:19.370Z"},"share_url":"https://firestarter.network/l/lst_uCwpwsc3","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_uCwpwsc3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage Mountain Lake Painting, 1960s. Maine' and a budget_max comfortably above $158.00 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."]}}