{"type":"firestarter.listing","listing":{"id":"lst_M5I9To2b","product_name":"5 Inch Dual Action Backing Plate","category":"Buffer Backing Plate","description":"Polish with speed and precision!\nThe 5 inch Dual Action Backing Plate is designed for polishers with a 5/16 inch spindle. This includes the Porter Cable 7424XP. The 5 inch Dual Action Backing Plate features durable hook and loop backing. This backing plate is compatible with our 5.75 inch Redline Foam Pads. By equipping your dual action polisher with a 5 inch Dual Action Backing Plate, you greatly expand the capability of the machine by having the ability to polish body panels of all sizes.","images":["https://cdn.shopify.com/s/files/1/0587/0449/4755/products/b5c23e68-a1b4-4a4a-972f-a57dc92dc02b.png?v=1632425706"],"price":19.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.523Z"},"share_url":"https://firestarter.network/l/lst_M5I9To2b","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_M5I9To2b' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 5 Inch Dual Action Backing Plate' and a budget_max comfortably above $19.99 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."]}}