{"type":"firestarter.listing","listing":{"id":"lst_8JxhLr6U","product_name":"Black Seeded Simpson Leaf Lettuce Seeds","category":"Seeds & Plants","description":"Since 1850, 'Black Seeded Simpson' has been a garden favorite for quality, texture, and flavor. Full-sized, frilly leaves can be picked in just over a month, and baby greens can be harvested in 3 weeks! Withstands hot, dry conditions and light frosts better than other varieties.","images":["https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3025i_Lettuce-Blk-Seeded-Simp-ORG_wve3vz_12f652a0-ed48-4c93-b672-97d622b23518.jpg?v=1773102345","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3025si_Lettuce-Blk-Seeded-Simp-ORG_4a9332f2-3c04-483a-9842-032c2be41936.jpg?v=1773102345","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/3025w_Lettuce-Blk-Seeded-Simp-ORG_ambxzt_08ba9751-d48f-4a8c-91d9-4d5bcd53b976.jpg?v=1773102345","https://cdn.shopify.com/s/files/1/0658/5693/0045/files/black-seeded-simpson-leaf-lettuce-seeds.jpg?v=1773102345"],"price":3.49,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:03.507Z"},"share_url":"https://firestarter.network/l/lst_8JxhLr6U","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 ","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_8JxhLr6U' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Black Seeded Simpson Leaf Lettuce Seeds' and a budget_max comfortably above $3.49 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."]}}