{"type":"firestarter.listing","listing":{"id":"lst_CxFpPceN","product_name":"Model 02 Intrinsic Fountain Pen - Black Cathedral","category":"Fountain Pen - Model 02","description":"\n\n\n\n\n\n\n\n\n\n\n♦ The Model 02 fountain pen is one of our long time flagship models with some unusual features. Chiefly the center barrel taper, so that the cap posts deeply. This features a flagship look in black with cathedral finial. \n\n\n\n\n\n\nDimensions:.610\" cap diameter.550\" upper barrel diameter .445\" lower barrel diameter5.750\" capped length5.850\" cap posted length (including nib)5.150\" barrel length (including nib).44\" grip section at thinnest pointWeight without ink = .73oz / 20.71g; barrel holds approximately 3.8ml of ink when eyedroppered\n♦ Designed for writing balance with or without the cap posted. ♦ Made in USA of long lasting, durable hard acrylic that is light weight. ♦ Standard Int'l Cartridge / Converter filled, one of each included. Also can be used as an eyedropper. \n\n♦ #6 Size nib - with many tip options in factory or custom ground.♦ Lifetime Warranty. ♦ In lieu of a traditional gift box we ship with a Franklin-Christoph single pen zippered pouch (material varies) with an outer white thin box.  \n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/files/02BlackCathedralFountainPen.jpg?v=1764880314","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/02BlackCathedralFountainPen_68970941-8b42-493b-a614-c2261b42b9b7.jpg?v=1764880806","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/02BlackCathedralFPside.jpg?v=1764880806","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/FPorderinclusions_254439f1-054a-449a-b95b-3ca72e083d8a.jpg?v=1764880806"],"price":160,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.492Z"},"share_url":"https://firestarter.network/l/lst_CxFpPceN","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_CxFpPceN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Model 02 Intrinsic Fountain Pen - Black Cathedral' and a budget_max comfortably above $160.00 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."]}}