{"type":"firestarter.listing","listing":{"id":"lst_teRcUT3p","product_name":"Brimstone Perfume Oil","category":null,"description":"BRIMSTONE\n\nIn Hermetic alchemy, brimstone is one of the Three Heavenly Substances, one of the primary alchemical Principles  It represents the strength of will and the vigor of passion, and it is a symbol of the process of fermentation. \n\nA smoky, gritty blend, husky and gray.\n \n","images":["https://cdn.shopify.com/s/files/1/0716/7891/8812/files/Brimstone-1-600x467.jpg?v=1769529489"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:13.967Z"},"share_url":"https://firestarter.network/l/lst_teRcUT3p","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_teRcUT3p' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Brimstone Perfume Oil' and a budget_max comfortably above $25.00 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."]}}