{"type":"firestarter.listing","listing":{"id":"lst_2PXMFFyB","product_name":"Supérieur Progressive Optical Lens","category":"LensAdvizor","description":"Anti-Reflective coating, optional blue light add-on, great for prescriptions up to (+/-3).","images":["https://cdn.shopify.com/s/files/1/0031/6604/4227/files/OPT_Superier_TN_a2a86fe3-a704-4283-b536-76e6be6d5758.jpg?v=1761693829","https://cdn.shopify.com/s/files/1/0031/6604/4227/files/premium-lens-photo_28b3e859-0530-451b-ab12-5f2ed48acfea.png?v=1760631898"],"price":259,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:41.005Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_2PXMFFyB","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_2PXMFFyB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Supérieur Progressive Optical Lens' and a budget_max comfortably above $259.00 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."]}}