{"type":"firestarter.listing","listing":{"id":"lst_wcYUmF0c","product_name":"Replacement Cabin Air Filter - MK8 GTI/R","category":"Air Filter","description":"OEM replacement cabin air filter for MK8 GTI/R\nFits: \n\n2022+ VW MK8 GTI\n2022+ VW MK8 Golf R\n","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/Screenshot2025-06-25120843.jpg?v=1750867735"],"price":18.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:22.471Z"},"share_url":"https://firestarter.network/l/lst_wcYUmF0c","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_wcYUmF0c' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Replacement Cabin Air Filter - MK8 GTI/R' and a budget_max comfortably above $18.99 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."]}}