{"type":"firestarter.listing","listing":{"id":"lst_Qc8zSQ-3","product_name":"Nigella Seeds","category":"Spices","description":"\nYou'll find nigella seeds gracing the top of your Indian naan, and bakers are finding it a winsome baking ingredient in other breads and crackers as well. \nIts slightly bitter and nutty flavor is released with heat. Also known as kalonji, charnushka, sativa or black onion seed.\n\"Spinach is a main ingredient on my salad list. A spinach salad is taken to a new level for me with the simple addition of nigella seeds, which top the salad along with some ground black peppercorns. Spinach has its own sweet green taste, and nigella seeds build on that by adding their own peppery, nutty uniqueness. Once I added nigella in, I couldn't ever leave it out.\" - Mayona's Staff Picks, 2021\n","images":["https://cdn.shopify.com/s/files/1/0604/1077/products/Nigella-Square-0431.jpg?v=1510206926"],"price":6.75,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:10.983Z"},"share_url":"https://firestarter.network/l/lst_Qc8zSQ-3","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_Qc8zSQ-3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Nigella Seeds' and a budget_max comfortably above $6.75 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."]}}