{"type":"firestarter.listing","listing":{"id":"lst_DmxtHEHV","product_name":"H&R Coilover Kit | B6 | B7 Audi S4","category":"Suspension > Coilovers","description":"Lowering from 1.0? to 2.5?\n\nEngineered for street and occasional track use, H&amp;R Coil-Overs feature a fully-threaded shock body (not an imitation sleeve-over) that allows you to precisely dial in height adjustment to achieve optimum weight transfer, or simply get the aggressive look you've been looking for. Featuring H&amp;R's exclusive dynamic damper technology, each shock is engineered to work in harmony with a progressive-rate spring, together creating a finely-tuned suspension system. \n\nFITS: 2004-2008 Audi S4 4.2L V8  H&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/29250-1_1ce1ccf3-f204-40da-8f07-4df53d6274ef.jpg?v=1782351912"],"price":1250.67,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:46:21.592Z"},"share_url":"https://firestarter.network/l/lst_DmxtHEHV","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_DmxtHEHV' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy H&R Coilover Kit | B6 | B7 Audi S4' and a budget_max comfortably above $1250.67 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."]}}