{"type":"firestarter.listing","listing":{"id":"lst_xPJiwK71","product_name":"pocket  45 Fountain Pen - Hiddenite Emerald","category":"Fountain Pen - Model p45","description":" ♦ This is the Model pocket 45. In this version we use Hiddenite and Emerald acrylics.Hiddenite is a precious stone found in North Carolina and this acrylic favors that shade of green. The finials are in our traditional Emerald acrylic.  $125.\n ♦ A true pocket pen filled by cartridge or eye dropper.♦ Classic lines w/ no clip♦ Precision posting for firm grip on the cap while posted.♦ No. 5 size nib♦ Dimensions: cap diameter     = .550 in  / 13.97 mmbarrel diameter  = .510 in  / 12.954 mmcap length         = 1.94 in  / 49.276 mmbarrel length      = 2.00 in / 51 mmbarrel end to nib tip length = 3.63 in /  92 mmfull length including nib posted = 5.13 in / 130 mmgrip section at thinnest point (curved) = .383 in / 9.73 mmlength of exposed area of grip section = .875 in / 22.22 mm*weight without ink = .53oz / 15.14g♦ Lifetime warranty♦ Made in USA in our NC facility♦ Shipped with the bonus of a Franklin-Christoph single pen zippered pouch with an outer white thin box with papers included. ","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/files/p45HiddeniteEmeraldFour.jpg?v=1776193088","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/p45HiddeniteEmeraldFountainPen.jpg?v=1776193093","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/p45HiddeniteEmeraldFPposted.jpg?v=1776193098","https://cdn.shopify.com/s/files/1/0023/7679/4187/files/p45HiddeniteEmeraldends.jpg?v=1776193103"],"price":105,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.109Z"},"share_url":"https://firestarter.network/l/lst_xPJiwK71","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_xPJiwK71' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy pocket  45 Fountain Pen - Hiddenite Emerald' and a budget_max comfortably above $105.00 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."]}}