{"type":"firestarter.listing","listing":{"id":"lst_nJ3OiFqx","product_name":"B46 - König - Jewel Tone and Violet","category":"Fountain Pen","description":" \nThe König, meaning \"the King\" in German, is our grandest pen yet—big, bold, and built for comfort. Despite its impressive size, it feels perfectly balanced and cozy in your hand, ready to rule your writing world. The cap posts deeply, just like our popular Evancio model, ensuring it stays secure while you write. Dressed in SNR's jewl tone swirl and a medium soid violet accent, this pen is as eye-catching as it is functional. Featuring a piston filler and a generous ink window, the König lets you write longer without interruption. Get ready to reign supreme with every stroke!\n \nDimensions:\n\n\n\n Length Capped:\n\n ~160 mm\n\n\n\nBody Diameter:\n\n 18.5 mm\n\n\n\nCap Diameter:\n20 mm\n\n\nSection Diameter max:\n16.5 mm\n\n\nSection Diameter min: \n15.75 mm\n\n\nWeight:\n10 oz\n\n\n\n\n\n\n\n ","images":["https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260224_103103.jpg?v=1771952301","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260224_103053.jpg?v=1771952301","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260224_103118.jpg?v=1771952301","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260224_103043.jpg?v=1771952301","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260224_103048.jpg?v=1771952301","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-1_84619d7a-83c3-4c03-9ef7-1732129703e0.jpg?v=1773762154","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-2_fdc4d158-7fc5-48f6-beb7-a2936ab961b5.jpg?v=1773762154"],"price":449.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.903Z"},"share_url":"https://firestarter.network/l/lst_nJ3OiFqx","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_nJ3OiFqx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy B46 - König - Jewel Tone and Violet' and a budget_max comfortably above $449.99 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."]}}