{"type":"firestarter.listing","listing":{"id":"lst_aVB4BHPN","product_name":"CfM Flat Brushes","category":null,"description":"Flat brushes are fantastic for lettering and typography, or for creating wide, even swatches of color. We especially love our Size 22 for painting large areas in a few simple strokes!\nSize 2 ~1/8 inch\nSize 4 ~1/4 inch\nSize 10 ~ &lt;1/2 inch\nSize 22 ~7/8 inch (a bit smaller than an inch)\n\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/CfMFlatBrushes_a0cafb07-46fe-40fd-86e7-2128afcb7c56.jpg?v=1657810591","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/Flat_Detail.jpg?v=1721344588"],"price":6,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.499Z"},"share_url":"https://firestarter.network/l/lst_aVB4BHPN","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_aVB4BHPN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy CfM Flat 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."]}}