{"type":"firestarter.listing","listing":{"id":"lst_3WdefmkF","product_name":"Ultramarine Violet. Half pan, full pan or bottle cap of handmade watercolor paint","category":null,"description":"Ultramarine Violet\nUltramarine Violet is a vibrant, blueish purple pigment in the Ultramarine family. It is extremely lightfast and has a wide value range. Bottle caps are equivalent in amount of paint to a generous full pan. \n\n\nColor index: Pv15\nLightfastness: excellent\nTransparency: Semi\nTinting Strength: average\nToxicity: Non-toxic\nShimmer: no\n","images":["https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-242054.jpg?v=1699891820","https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-124640.jpg?v=1699891820","https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-406663.jpg?v=1699891820","https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-953387.jpg?v=1699891820","https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-748304.jpg?v=1699891820","https://cdn.shopify.com/s/files/1/0607/2126/6875/products/ultramarine-violet-half-pan-full-pan-or-bottle-cap-of-handmade-watercolor-paint-122129.jpg?v=1699891820"],"price":16,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:19.740Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_3WdefmkF","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_3WdefmkF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ultramarine Violet. Half pan, full pan or bottle cap of handmade watercolor paint' and a budget_max comfortably above $16.00 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."]}}