{"type":"firestarter.listing","listing":{"id":"lst_g5jIQBkk","product_name":"Rupes LHR 15 5 Inch Backing Plate","category":"Buffer Backing Plate","description":"Genuine replacement 5 inch backing plate for the RUPES LHR 15 Polishers.  Includes mounting bolt.  For use with RUPES 6 inch foam pads.  This backing plate also fits the RUPES LHR 12E Duetto as well.","images":["https://cdn.shopify.com/s/files/1/0587/0449/4755/files/rupes-lhr-15-5-in-backing-plate__94075.jpg?v=1702398383"],"price":41.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:44.133Z"},"share_url":"https://firestarter.network/l/lst_g5jIQBkk","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_g5jIQBkk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rupes LHR 15 5 Inch Backing Plate' and a budget_max comfortably above $41.99 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."]}}