{"type":"firestarter.listing","listing":{"id":"lst_qxwCbn6W","product_name":"Vintage Slim Leather Pen Sleeve for Single Pen - C.H. Navy Blue","category":"Leather pen pouch","description":"This slim leather pen sleeve is designed for those who appreciate simplicity and functionality. \n\n\n100% HANDMADE IN TURKEY\nPRODUCT:\nVintage Style Slim Leather Pen Sleeve for Single Pen\n \nSIZE:\nWill fit pens up to about 14 cm long and about 1.6 cm in barrel diameter\n\nFEATURES:\nTested with these Fountain pens:\n\nVintage Pelikan 400NN\nPelikan Souveran M800\nPelikan M150\nLamy Safari\nLamy Safari Al star\nTWSBI 580 AL\nTWSBI VAC 700\nParker Sonnet\nPlatinum #3776\nMB 149\n\nMATERIALS:\n\n100% vegetable tanned cow leather\nThe edges are beveled, waxed and burnished for a finished look\n\nDESCRIPTION:\nMade from genuine leather, it offers a timeless vintage look that ages beautifully with use. Perfectly sized for a single pen, its slim design makes it easy to carry in your pocket or bag. A practical and elegant choice for protecting your favorite writing instrument.\n \n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Style-Slim-Leather-Pen-Sleeve-for-Single-Pen-Crazy-Horse-Navy-Blue.jpg?v=1737217523","https://cdn.shopify.com/s/files/1/0575/7177/files/Vintage-Style-Slim-Leather-Pen-Sleeve-for-Single-Pen-Crazy-Horse-Navy-Blue-2.jpg?v=1737217525"],"price":28,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:00.045Z"},"share_url":"https://firestarter.network/l/lst_qxwCbn6W","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_qxwCbn6W' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage Slim Leather Pen Sleeve for Single Pen - C.H. Navy Blue' and a budget_max comfortably above $28.00 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."]}}