{"type":"firestarter.listing","listing":{"id":"lst_y2tqLoB6","product_name":"BFI Porsche Shift Knob Inserts (Porsche Fitment)","category":"Shift Knob Accessories","description":"Includes shift knob inserts/shims to fill void of the shift knob base onto the shift rod - only for rectangular shift rod.\nPlease note these only currently fit our GS2, GS3 and GS4 shift knobs for Porsche (excluding 991/981 and newer models).\n \nKEY:\n4234-944 - Shift Knob inserts for 924/944/951 manual Porsche\n4234-964 - Shift Knob inserts for 964/993 manual Porsche\n4234-996 - Shift Knob inserts for 996/997 manual Porsche\n4234-NUM - Shift Knob inserts for Numeric Racing shifters\n \n \nImage is for representational purposes only","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/machined_base_with_insert.webp?v=1777312222"],"price":8.99,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:21.088Z"},"share_url":"https://firestarter.network/l/lst_y2tqLoB6","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_y2tqLoB6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BFI Porsche Shift Knob Inserts (Porsche Fitment)' and a budget_max comfortably above $8.99 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."]}}