{"type":"firestarter.listing","listing":{"id":"lst_DmxO-IYr","product_name":"H&R Sport Springs - VW / MK8 / GTI","category":"Suspension > Springs","description":"The most popular spring in H&amp;R's line-up, this set of Sport Springs will lower your vehicle for a lower center of gravity, improved handling, and more aggressive appearance.Sport springs feature a spring rate that is firmer than that of the OE Sport springs but is still comfortable enough for daily use. Sport springs are an excellent choice for street and occasional track use. Features:\n\nFront Lowering: 1.6\"\nRear Lowering: 1.6\"\nImproved Handling\nLower Center of Gravity\nBlue Finish\n\n","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/28639-8.jpg?v=1783983354"],"price":46800,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-14T01:31:31.983Z"},"share_url":"https://firestarter.network/l/lst_DmxO-IYr","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_DmxO-IYr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy H&R Sport Springs - VW / MK8 / GTI' and a budget_max comfortably above $46800.00 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."]}}