{"type":"firestarter.listing","listing":{"id":"lst_A8t_iM1x","product_name":"Nahvalur Horizon Nebula Fountain Pen","category":"Fountain Pen","description":"\n\nHorizon Nebula moves in a different direction, drawing on the atmosphere of its celestial inspiration. Deep blue tones, layered movement, and darker visual depth give the material a sense of scale and immersion, echoing the way light and shadow gather across a night sky. Nebula carries a richer and more dramatic presence, but remains controlled and polished in the hand, offering a version of Horizon that feels vivid, atmospheric, and quietly expansive.\n\nNahvalur Horizon Fountain Pen in Nebula - Specifications:\n\nPen Body Material: Pearlescent acrylic resin from Italy\nTrim and Clip: Rose Gold\nNib: Nahvalur no. 6 size stainless steel nib\nFilling System: Built-in piston mechanism with ink window\nPen Length, closed: 6.02 in. / 153mm\nPen Length, open, cap off: 5.39 in. / 137mm\nPen Length, open, cap posted: 6.6 in. / 168mm\nPen Diameter, barrel: 0.51 in. / 13mm\nPen Diameter, section: 0.41 in. / 10.5mm\nPen Total Weight: 1.3oz / 36.85g\n\n\n \n\nDisclaimer:\n\nPlease be aware that each pen is a unique creation, handcrafted with precision and care. The materials used, including acrylics and resins, result in distinctive patterns that make every pen special.\n\nThe colors and patterns in our product images on our online store may vary slightly from the actual pen due to factors like studio lighting, screen display settings, and the natural characteristics of the materials.\n\nWe strive to provide accurate descriptions and high-quality images. However, minor variations in color, pattern, and texture can occur, enhancing the individuality of each pen.\n\nNahvalur is committed to offering exceptional writing instruments that blend functionality and aesthetics. We appreciate your understanding and hope you enjoy your one-of-a-kind pen.\n\n\n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/photo-output_115_4c7ebc04-fcf8-4114-9ca7-1c38991089cb.jpg?v=1781531363","https://cdn.shopify.com/s/files/1/0575/7177/files/photo-output_210_0716ba0b-b211-4908-a4b5-f4126960c475.jpg?v=1781531363","https://cdn.shopify.com/s/files/1/0575/7177/files/photo-output_310_65887db0-8e50-4e17-b0f7-8958be15a262.jpg?v=1781531363","https://cdn.shopify.com/s/files/1/0575/7177/files/Nebula01.jpg?v=1781528021","https://cdn.shopify.com/s/files/1/0575/7177/files/Nebula02.jpg?v=1781528020","https://cdn.shopify.com/s/files/1/0575/7177/files/Nebula03.jpg?v=1781528020","https://cdn.shopify.com/s/files/1/0575/7177/files/Nebula04.jpg?v=1781528021"],"price":180,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:58.802Z"},"share_url":"https://firestarter.network/l/lst_A8t_iM1x","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_A8t_iM1x' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Nahvalur Horizon Nebula Fountain Pen' and a budget_max comfortably above $180.00 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."]}}