{"type":"firestarter.listing","listing":{"id":"lst_3clXy3_P","product_name":"Model 45L Fountain Pen - Orange Crush","category":"Fountain Pen - Model 45L","description":"\nSELLING CONDITION:  NEW OLD STOCK. Model has been retired.\nThis is the Orange Crush acrylic made that has made the rounds of our models but is seen here in the M45L fountain pen.  \n♦ Dimensions:.550\" cap diameter.510\"  barrel diameter 5\" capped length6.12\" cap posted length (including nib)4.75\" barrel only length (including nib).383\" grip section at thinnest point (curved)weight without ink = .53oz / 15.14g; barrel holds approximately 3.5ml of ink when eyedroppered.♦ Still a pocket pen but long enough to fit a standard converter (included)♦ Classic lines w/ no clip♦ Cartridge, converter, or eye dropper filled. ♦ Precision posting for firm grip on the cap while posted.♦ No. 5 size nib♦ Lifetime warranty♦ Made in USA in our NC facility♦ Shipped in a Franklin-Christoph single pen zippered pouch with an outer white thin box.  ","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/45LOrangeCrushFP.jpg?v=1639164877","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/45LOrangeCrushside.jpg?v=1639164881"],"price":97.75,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.012Z"},"share_url":"https://firestarter.network/l/lst_3clXy3_P","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_3clXy3_P' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Model 45L Fountain Pen - Orange Crush' and a budget_max comfortably above $97.75 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."]}}