{"type":"firestarter.listing","listing":{"id":"lst_8z0BtH8-","product_name":"Velcro Extension Strap","category":"accessories","description":"Designed to be used with our Tank Top Pack for situations where the top tube and down tube join at the head tube, usually on a mountain bike or fat bike. This strap gives you the extra length you need for a really secure Tank Top mount.","images":["https://cdn.shopify.com/s/files/1/0511/1129/7224/products/Extension_Strap.jpg?v=1611604537","https://cdn.shopify.com/s/files/1/0511/1129/7224/products/polarr_image_71ce00d6-3ff9-4cf9-a58f-001900692922.jpg?v=1611604539"],"price":4.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:43.643Z"},"share_url":"https://firestarter.network/l/lst_8z0BtH8-","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_8z0BtH8-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Velcro Extension Strap' and a budget_max comfortably above $4.95 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."]}}