{"type":"firestarter.listing","listing":{"id":"lst_mML8PVG-","product_name":"Utah Tall Celery","category":"Vegetables","description":"If you think celery is just a garnish or soup stock ingredient, think again. Home grown celery has an incredible flavor that will have you braising it, sautéing it, or even grilling it in no time. Utah Tall Celery produces tall stalks and compact tender hearts.","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/Utah-Tall-Celery-vendor-unknown-1630676589.jpg?v=1735579943"],"price":10.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:39.459Z"},"share_url":"https://firestarter.network/l/lst_mML8PVG-","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_mML8PVG-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Utah Tall Celery' and a budget_max comfortably above $10.99 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."]}}