{"type":"firestarter.listing","listing":{"id":"lst_8Y_rqZ9O","product_name":"Leather Double Fountain Pen Case / Pen Sleeve - Black","category":"Pen Sleves","description":" \n100% HANDMADE IN TURKEY\nPRODUCT:\nHandmade Leather Double Fountain Pen Case / Pen Pouch\nCOLOR/FINISH:\nBlack\nBright and a clear pink color with some hot pink tones. Semi-matte finish.\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\n\nMATERIALS:\n\n100% vegetable tanned cow leather\nHand stitched using waxed polyamide thread\n\nThe edges are beveled, waxed and burnished for a finished look\n\nDESCRIPTION:\nThis Double Leather Fountain Pen Case / Pen Pouch is perfect for carrying around your precious Fountain pens (or similar) to protect them from scatches or leaking in your pocket or bag.\n*Accessories are not included","images":["https://cdn.shopify.com/s/files/1/0575/7177/products/leather-double-fountain-pen-case-pen-sleeve-black.jpg?v=1536622049","https://cdn.shopify.com/s/files/1/0575/7177/products/leather-double-fountain-pen-case-pen-sleeve-black-2.jpg?v=1536622049","https://cdn.shopify.com/s/files/1/0575/7177/products/leather-double-fountain-pen-case-pen-sleeve-black-3.jpg?v=1536622050"],"price":28,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:04.726Z"},"share_url":"https://firestarter.network/l/lst_8Y_rqZ9O","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_8Y_rqZ9O' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Leather Double Fountain Pen Case / Pen Sleeve - Black' 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."]}}