{"type":"firestarter.listing","listing":{"id":"lst_wVw22nHw","product_name":"Buttercup. Half pan or bottle cap of handmade watercolor paint","category":"watercolor paint","description":"Buttercup\nAn ethereal, creamy, light yellow. Buttercup is a limited edition color, non-toxic and made with lightfast pigments. \nColor index: Py74, Pw1\nLightfastness: excellent\nTransparency: Semi\nTinting Strength: average\nToxicity: Non-toxic\nShimmer: no\n\n\nA small magnet can be added to the pan or cap, at no cost, to allow it to stick to any metal tin. Please request that in the notes section at checkout. \n","images":["https://cdn.shopify.com/s/files/1/0607/2126/6875/files/PicTapGo-2024-04-10-144759-1.jpg?v=1712891675","https://cdn.shopify.com/s/files/1/0607/2126/6875/files/PicTapGo-2024-04-10-144759.jpg?v=1712891675","https://cdn.shopify.com/s/files/1/0607/2126/6875/files/PicTapGo-2024-04-10-144749.jpg?v=1712891675","https://cdn.shopify.com/s/files/1/0607/2126/6875/files/PicTapGo-2024-04-10-144746-1.jpg?v=1712891675","https://cdn.shopify.com/s/files/1/0607/2126/6875/files/PicTapGo-2024-04-10-144746.jpg?v=1712891675"],"price":19,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:19.712Z","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_wVw22nHw","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_wVw22nHw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Buttercup. Half pan or bottle cap of handmade watercolor paint' and a budget_max comfortably above $19.00 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."]}}