{"type":"firestarter.listing","listing":{"id":"lst_VzOR-GLy","product_name":"High-Index Rx","category":"Lenses","description":"1.67 index lenses recommended for strong prescriptions.","images":["https://cdn.shopify.com/s/files/1/2654/9948/files/rx1.png?v=1773209748"],"price":320,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:40.716Z","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_VzOR-GLy","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_VzOR-GLy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy High-Index Rx' and a budget_max comfortably above $320.00 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."]}}