{"type":"firestarter.listing","listing":{"id":"lst_zUOL8sFs","product_name":"BUTTERFLYPEA ULTRAMARINE","category":"Watercolor paints","description":"A staple in almost all artists' palettes, our Ultramarine blue leans towards a cooler side. It has a large tonal range. Mix it with Quinacridone Rose to make stunning purples or with warm yellows to make natural greens.\nPigment - PB29 Semi-Transparent, Slightly-Granulating, Non-StainingLightfastness - 8 = Very Lightfast\nEach pan is magnetised. It is natural for some paints to have cracked surfaces by their nature. However, we assure you, that the cracks don't affect the performance of the paints.\n","images":["https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-butterfly-ultramarine-9211.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-butterfly-ultramarine-6085.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-butterfly-ultramarine-6084.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-butterfly-ultramarine-6082.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-butterfly-ultramarine-6083.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-color-family-9218_ed402c70-db4e-44bb-a494-6e80f094733e.jpg?v=1715165814","https://cdn.shopify.com/s/files/1/0873/6548/4857/files/blue-pine-arts-premium-art-supplies-handmade-artisanal-watercolor-paints-professional-watercolors-handcrafted-color-chart-6386_b9b12582-5179-4f82-a24f-929e9949bd23.jpg?v=1715165814"],"price":11,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.515Z"},"share_url":"https://firestarter.network/l/lst_zUOL8sFs","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_zUOL8sFs' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BUTTERFLYPEA ULTRAMARINE' and a budget_max comfortably above $11.00 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."]}}