{"type":"firestarter.listing","listing":{"id":"lst_T6U2e5y2","product_name":"H&R Race Springs - VW / Mk5 / GLI / Jetta / Sportwagen","category":"Suspension > Springs","description":"H&amp;R Race Springs are designed and engineered for the Mk5 Jetta (2005.5-2009) and are the correct spring rate for low aggressive looks, high performance handling!\nLowering:\nFront - approx 2.0\" Rear - approx 1.75\"\nNOTE: UroTuning HIGHLY recommends performance shocks with these springs!\n \nH&amp;R was founded by Werner Heine and Heinz Remmen in the 1970's with a simple idea in mind; with improved suspension, vehicles would have more control and better handling.","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/54751-88.jpg?v=1783982826"],"price":339.15,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-14T01:31:32.047Z"},"share_url":"https://firestarter.network/l/lst_T6U2e5y2","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_T6U2e5y2' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy H&R Race Springs - VW / Mk5 / GLI / Jetta / Sportwagen' and a budget_max comfortably above $339.15 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."]}}