{"type":"firestarter.listing","listing":{"id":"lst_cUhqnvru","product_name":"Add-On: Racket Assembly Service (Purple on Forehand)","category":"Non-inventory Item","description":"Please add this if you are purchasing a blade and rubbers, and you would like to put the purple rubber on the forehand. Listing is only for rubber/blade assembly service. Blade and rubbers are not included and must be purchased separately.","images":["https://cdn.shopify.com/s/files/1/0685/6943/2278/files/Assembly-Black_01_debfd519-a2cd-4af5-a929-06ab68d377b3.jpg?v=1712311748"],"price":0,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:12.291Z"},"share_url":"https://firestarter.network/l/lst_cUhqnvru","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_cUhqnvru' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Add-On: Racket Assembly Service (Purple on Forehand)' and a budget_max comfortably above $0.00 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."]}}