{"type":"firestarter.listing","listing":{"id":"lst_cnxRKMl8","product_name":"CfM Filbert Brushes","category":"Brush","description":"\nIn the world of brush options, there's no substitute for the filbert's flat, oval tip when laying down, or filling in, rounded organic shapes. For this reason, filberts are particularly useful for painting flower petals and foliage.\n\n\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.\n","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/files/FILBERTBRUSHES_WEBSITE.jpg?v=1693355143","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/Filbert_Detail.jpg?v=1721345716"],"price":9,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.908Z"},"share_url":"https://firestarter.network/l/lst_cnxRKMl8","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_cnxRKMl8' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy CfM Filbert Brushes' and a budget_max comfortably above $9.00 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."]}}