{"type":"firestarter.listing","listing":{"id":"lst_vHEpKKKL","product_name":"Marker - Knife Sharpening Helper","category":"Marker","description":"You know the Sharpie Trick, right? Color the edge of your blade before you sharpen so that you don't miss anywhere when you're sharpening. And it helps keep your hand steady and edge angle consistent as you sharpen. Easy peasy. This little marker is a gem for that. We branded it with our name and some words of inspiration. Enjoy! And good luck. We salute you.","images":["https://cdn.shopify.com/s/files/1/0247/4478/8017/files/KNAFS-00190-Marker-Knife-Sharpening-Helper-Cap-On.jpg?v=1698256218"],"price":1.49,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:40.921Z"},"share_url":"https://firestarter.network/l/lst_vHEpKKKL","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_vHEpKKKL' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marker - Knife Sharpening Helper' and a budget_max comfortably above $1.49 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."]}}