{"type":"firestarter.listing","listing":{"id":"lst_R6KZttgq","product_name":"Paintbrush Set - Nylon Filament in Canvas Bag - 8 Assorted","category":"Gifts & Toys","description":"Collection of cruelty-free, nylon filament paintbrushes comes in a handy, travel-ready canvas bag complete with water-resistant liner and zipper. This paintbrush set includes an assortment of 8 large and small, flat, angled and round brushes. Flexible and durable, they are best used for water-based paints like watercolor, tempera and acrylic. Easy to clean with mild soap and cold water, then reshape the filament and dry the brush completely before storing. Ideal for art class, or at-home projects, each brush delivers precision, comfort, and durability, making it a must-have for your Back-to-School art supply list. These brushes offer smooth, reliable performance across a wide range of painting techniques and surfaces (like watercolor paper, canvas, wood, and mixed media).","images":["https://cdn.shopify.com/s/files/1/1328/2787/files/web_listing_temp_4_73064205-c869-4d5a-8f0e-9107f6712da0.png?v=1754157824","https://cdn.shopify.com/s/files/1/1328/2787/files/36468e1f99d89872c45f776fe1c7d5d707ecd64668811c99257927ede779bba6_c1127549-11d0-4e59-b194-992e420e8cf3.webp?v=1754157824","https://cdn.shopify.com/s/files/1/1328/2787/files/7530ddacc5b7f51e2febaa0e7efa3ae4466e95eeb823d112d926092d05a97d3d_5e08c7be-87ba-4c09-af0d-23493ebd7db2.webp?v=1754157824"],"price":18,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:46.325Z"},"share_url":"https://firestarter.network/l/lst_R6KZttgq","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_R6KZttgq' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Paintbrush Set - Nylon Filament in Canvas Bag - 8 Assorted' and a budget_max comfortably above $18.00 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."]}}