{"type":"firestarter.listing","listing":{"id":"lst_jLsyudLH","product_name":"Vinta Marbles","category":"Fountain Pen Ink","description":"This color is inspired by the introduction of marble games or ‘holen’ during the American colonial period. The game was instantly popular and took off well among Filipino children as it could be easily played, rain or shine. The year 1946 marks the end of American occupation in the Philippines.*This ink has a moody blue-grey base with a sprinkling of bright, metallic blue shimmerVinta Ink Features:1. Encased in a glass amber bottle 2. 30 or 45ml of Ink enough for at least 45 refills.3. Proudly Handmade in the Philippines For every purchase of a Vinta Ink, we will donate P25.00 to Teach for the Philippines which helps Filipino children access quality education.","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/vinta-marbles-30ml.jpg?v=1711695883","https://cdn.shopify.com/s/files/1/0575/7177/files/vinta-marbles-30ml-2.jpg?v=1711695888","https://cdn.shopify.com/s/files/1/0575/7177/files/vinta-marbles-30ml-3.jpg?v=1711695893","https://cdn.shopify.com/s/files/1/0575/7177/files/vinta-marbles-30ml-4.jpg?v=1711695898"],"price":19,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:00.677Z"},"share_url":"https://firestarter.network/l/lst_jLsyudLH","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_jLsyudLH' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vinta Marbles' 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."]}}