{"type":"firestarter.listing","listing":{"id":"lst_1cHHT9SV","product_name":"Single Pen Sleeve - Grain Napa Leather - Black","category":"Pen Cases","description":"SELLING CONDITION: NEW OLD STOCK. Similar to the smooth napa leather we use on the majority of our accessories today, this napa leather is grained. Still the same high quality, just a grain leather instead of smooth.  \n♦ Made of high quality leather grain napa leather that will stand the test of time, accented with black stitching for an elegant appearance. Our classic F and diamonds logo is debossed along the upper spine for a subtle hint of style.\n♦ Great protection for fine pens, with easy in and out.\n♦ Designed to leave top part of pen exposed for easy access.\n♦ The taper from the sides clutches the pen near the bottom.\n♦ Great for carrying in pants pocket.\n♦ Dimensions: \n♦ Medium: 6\" tall to accomodate pens approximately 5.5\" tall, or shorter. One inch width at widest point to accomodate pens approximately 0.5\" in diameter or smaller. Recommended for our models 45 (retired), 45 Cor, 45L (retired), 45XL (retired), 55, and pocket 66. Also works well with the Model 28 Ballpoint, and Model 90 Pencil. Not recommended for the Model 20 fountain pen.\n♦ Large: 6\" tall to accomodate pens approximately 5.5\" tall, or shorter. 1 3/8\" width at widest point to accomodate pens approximately 0.6\" in diameter or smaller. Recommended for our models 02, 03, 19, 31, 40, 45 (retired), 45 Cor, 45L (retired), 45XL (retired), 46 (retired) and 46 Cor.","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/files/franklin-christoph-black-leather-pen-sleeve-a1b2c3d4.jpg?v=1779473153","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/franklin-christoph-black-leather-pen-sleeve-a1b2c3d4_c7eee216-c2dd-4f25-80e5-0b1882b48474.jpg?v=1779473153","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/franklin-christoph-black-leather-pen-sleeve-a1b2c3_c60fdfda-4e0a-4db5-9ffb-8e71cc109b42.jpg?v=1779473153","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/franklin-christoph-black-leather-pen-sleeve-a1b2c3_7e86cc39-b8a4-4f12-b69c-ade7e7ab8f1b.jpg?v=1779473153","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/franklin-christoph-black-leather-pen-sleeve-a1b2c3.jpg?v=1779473153"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:19.925Z"},"share_url":"https://firestarter.network/l/lst_1cHHT9SV","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_1cHHT9SV' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Single Pen Sleeve - Grain Napa Leather - Black' and a budget_max comfortably above $12.00 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."]}}