{"type":"firestarter.listing","listing":{"id":"lst_YcjYll1o","product_name":"North Pole Lettuce","category":"Vegetables","description":"More and more home gardeners are learning to grow year round. Having fresh green grub in the winter is an achievable treat with the right cold-hardy varieties. This lime green lettuce can be grown in the fall and survive winter with minimal cover. As the light decreases and cold increases it pretty much stops growing but manages to recover, and then thrive on the backside of winter.","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/North-Pole-Lettuce-vendor-unknown-1630676021.jpg?v=1735580367","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/North-Pole-Lettuce-vendor-unknown-1630676024.jpg?v=1735580367","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/North-Pole-Lettuce-vendor-unknown-1630676027.jpg?v=1735580367"],"price":13.79,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:37.693Z"},"share_url":"https://firestarter.network/l/lst_YcjYll1o","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_YcjYll1o' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy North Pole Lettuce' and a budget_max comfortably above $13.79 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."]}}