{"type":"firestarter.listing","listing":{"id":"lst_fThNUNN8","product_name":"Nahvalur Eclipse Black Gold 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.\nNahvalur Eclipse Black Gold Fountain Pen Specifications:\n\nPen Material: Aluminum\nTrim: Gold\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/Nahvalur-Eclipse-Black-Gold-Fountain-Pen_134942bd.jpg?v=1767175234","https://cdn.shopify.com/s/files/1/0575/7177/files/Nahvalur-Eclipse-Black-Gold-Fountain-Pen-2.jpg?v=1767175236","https://cdn.shopify.com/s/files/1/0575/7177/files/Nahvalur-Eclipse-Black-Gold-Fountain-Pen-3.jpg?v=1767175237"],"price":99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:59.594Z"},"share_url":"https://firestarter.network/l/lst_fThNUNN8","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_fThNUNN8' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Nahvalur Eclipse Black Gold 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."]}}