{"type":"firestarter.listing","listing":{"id":"lst_HhcSEkL-","product_name":"Black Seeded Simpson Lettuce","category":"Vegetables","description":"One of the earliest maturing loose leaf lettuces. Frilly light green leaves stay crisp and tender after cutting. In 1881, Thomas Meehan published these words about Black Seeded Simpson in \"The Gardener's Monthly And Horticulturist [V.23]\":\"W. C, Belvidere, N. J., writes: - 'I have sent you today, by express, a head of lettuce - Black seeded Simpson. Will you kindly express your opinion in your valuable Gardener's Monthly; that is if you think it's worth it? I think it the most valuable I ever grew. It possesses the good quality of standing so long before running to seed. I set these lettuce out between cauliflowers and peas. The sight was very striking before any were cut.''The one plant filled a large nail keg, and was very crisp and free from bitterness.' - Ed. G. M.\"Still a favorite of home gardeners and market growers after all these years!","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/Black-Seeded-Simpson-Lettuce-vendor-unknown-1630675235.jpg?v=1735580494","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/Black-Seeded-Simpson-Lettuce-vendor-unknown-1630675238.jpg?v=1735580494"],"price":4.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:40.047Z"},"share_url":"https://firestarter.network/l/lst_HhcSEkL-","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_HhcSEkL-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Black Seeded Simpson Lettuce' and a budget_max comfortably above $4.99 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."]}}