{"type":"firestarter.listing","listing":{"id":"lst_0n-wydMb","product_name":"CfM Round Brushes","category":null,"description":"Our most popular brush style! Round brushes are an excellent choice for precise line or detail work. Depending on the pressure and angle of application, you can achieve a thick swath or thin line in a single swipe. These all-around brushes are a favorite of beginner and seasoned painters alike, and a great place to start if you're just building your quiver! The size 8 is also great for kids!\nOur premium quality brushes have coated wood handles labeled with our classic gold lettering, and synthetic bristles that fit into a metal ferrule. Imported from Germany.","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/products/CfMRoundBrushes_ebec2e9d-aa94-4d01-ac9d-b61f6df50682.jpg?v=1657810585","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/Round_Detail.jpg?v=1721344523"],"price":6,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.496Z"},"share_url":"https://firestarter.network/l/lst_0n-wydMb","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_0n-wydMb' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy CfM Round Brushes' and a budget_max comfortably above $6.00 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."]}}