{"type":"firestarter.listing","listing":{"id":"lst_z_QIMPSl","product_name":"Fibre Tip Ink - Midnight","category":"Ink","description":"Rich, smooth, and vibrant – meet the deep blue hue that never fades!\nIntroducing our exceptional fibre tip ink, designed for a seamless writing and drawing experience (and the perfect pairing for the Wren writing tips!). This water-based ink flows effortlessly through fibre tip pens, offering the perfect balance between boldness and smoothness. \nPlus, thanks to its pressure-resistant and durable tip, your Wren tip will stay in top shape, even with regular use. Unlike our Fountain Pen Inks, this ink is designed to give your writing a 'smooth start' with no scribbling to warm the pen up necessary – making it as reliable as it is versatile.\nProudly made in the UK, this ink is crafted to rival the finest offerings from around the world.","images":["https://cdn.shopify.com/s/files/1/0089/6129/4417/files/fibre-tip-ink-midnight-blue-swatch-bottle.jpg?v=1745323380"],"price":13,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.263Z"},"share_url":"https://firestarter.network/l/lst_z_QIMPSl","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_z_QIMPSl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fibre Tip Ink - Midnight' and a budget_max comfortably above $13.00 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."]}}