{"type":"firestarter.listing","listing":{"id":"lst_vLBlaoMu","product_name":"4% Niacinamide Oily Scalp Serum","category":null,"description":"Control excess oil + odor with this daily pH-optimized leave-on scalp serum, designed to extend time between washes.+ Balances scalp pH to stop oil production before it begins+ Extends time between washes+ Stabilizes the scalp to be less oily over timeSize: 2.2 fl oz","images":["https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-grey.jpg?v=1763561108","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-01.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-02.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-03.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/Niacinamide5.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/Niacinamide4.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-06.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-07.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-08.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-09.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/AA0065B-av-10.jpg?v=1748370076","https://cdn.shopify.com/s/files/1/0054/3978/3001/files/Niacinamide8.jpg?v=1748370076"],"price":68,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:14.930Z"},"share_url":"https://firestarter.network/l/lst_vLBlaoMu","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_vLBlaoMu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 4% Niacinamide Oily Scalp Serum' and a budget_max comfortably above $68.00 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."]}}