{"type":"firestarter.listing","listing":{"id":"lst_JJPZlq9H","product_name":"Nahvalur Eclipse Black Silver Fountain Pen","category":null,"description":"Nahvalur first capless pen, the Eclipse is the culmination of two years of design.Precision machined out of aluminum, the Eclipse operates without a button; instead the entire body is pushed together to actuate the mechanism. Featuring a twelve sided faceted design and a removable clip, the Eclipse is: striking, sleek and modern.  The Eclipse unfurls like a celestial symphony, celebrating the zenith of innovation. With the Nahvalur Eclipse, behold a new era of writing where the retractable marvel and faceted aluminum embrace in perfect harmony. This pen transcends ordinary design, offering a timeless elegance that sets it apart. Step into the future of writing, where each stroke is a dance of inspiration and artistry.\nPlease note that there is a small raised guide on the converter to help indicate the correct orientation. We kindly ask customers to pay close attention when inserting it to ensure it is positioned properly.\nNahvalur Eclipse Black Silver Fountain Pen Specifications:\n\nPen Material: Aluminum\nTrim: Silver\nNib: Stainless steel made by Nahvalur\nFilling System: Converter\nPen length, closed: 5.91 in. / 150mm\nPen length, open: 5.83 in. / 148mm\nPen Diameter, barrel: 0.55 in. / 13.91 mm\nPen weight (without ink): 1.2 oz. / 34g\nGift boxed with user guide and 1-year warranty\n\n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/photo-output_115_c5e8aba5-0dbe-4103-bdca-6ba686eb21f9.jpg?v=1779103810","https://cdn.shopify.com/s/files/1/0575/7177/files/photo-output_013_3a4b27bb-fcbb-4daf-a53a-39b7e32cdd5e.jpg?v=1779103809","https://cdn.shopify.com/s/files/1/0575/7177/files/Nahvalur-Eclipse-Black-Silver-Fountain-Pen.png?v=1779088624"],"price":99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:58.852Z"},"share_url":"https://firestarter.network/l/lst_JJPZlq9H","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_JJPZlq9H' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Nahvalur Eclipse Black Silver Fountain Pen' and a budget_max comfortably above $99.00 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."]}}