{"type":"firestarter.listing","listing":{"id":"lst_IukFFFCM","product_name":"Art Toolkit Mixing Square","category":null,"description":"This handy mixing square fits right into your Pocket or Demi Art Toolkit case—just add water and paint, and mix, mix, mix!\nEach Mixing Square is the size of two Art Toolkit standard pans, or four mini pans.","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/files/mix_pan_2.jpg?v=1777593798","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/mix_pan_1.jpg?v=1777593799"],"price":3.25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.491Z"},"share_url":"https://firestarter.network/l/lst_IukFFFCM","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_IukFFFCM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Art Toolkit Mixing Square' and a budget_max comfortably above $3.25 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."]}}