{"type":"firestarter.listing","listing":{"id":"lst_AYc4ZXFD","product_name":"PHX-Pen : A Timeless Stainless Steel Pen","category":"Pens","description":"A minimal and weighty stainless steel pen that will outlast us all. It's simply a nice, sleek, pen that fits easily in your pocket.\n\nIf you're looking for a well-balanced and solid-feeling writing tool, this is your pen. The weight of the pen helps keep the tip on the paper and makes drawing straight lines easier.\n\nThis newly updated version features a removable titanium pocket clip along with the ability to accept more refills than the original version.\n\nSpecs\n\n• Full pen length w/cap on: 5.5 IN / 140mm• Full pen length w/cap off: 5.1 IN / 130mm• Full pen length w/cap posted on the back: 6.0 IN / 154mm• Barrel length: 4.53 in (11.5 cm)• Barrel diameter: 0.39 in (1 cm)\n\nWeight:\n• Complete Pen w/cap: 55 grams (1.94 oz)• Pen only, w/o the cap posted: 47 grams (1.66 OZ)\n\nWorks with the following refills:\n• Muji Gel Ink Ballpoint Pen Refill 0.38mm (Sku#4548718815890)• Pilot Hi-Tec-C & G-Tec-C standard refills (all tip sizes & refill colors)• Rotring Tikky Liner Gel - 0.3, 0.5, 0.7 mm • Uniball Signo DX Refills (UM-151) (UMR-1) 0.28, 0.38, 0.5 mm• Uni-ball Signo Needle (UMR-1ND-38) (0.38 mm)• Uniball Signo Gel Pen (UMR-5)(0.5 mm)• Uni-ball Signo Gel Pen Refill (UMR-10) 1.0 mm\n \nIncludes\n\n• 1 stainless steel pen body & cap (SAE 304)• 1 Titanium pocket clip (Grade 4 Ti)• 1 Hi-Tec-C 0.4mm black refill• 1 threaded “coin-screw” back plug (so you can post the cap on the back)• 1 plain “coin-screw” back plug","images":["https://cdn.shopify.com/s/files/1/1353/1287/products/Phx2.jpg?v=1768857546","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx8.jpg?v=1768857551","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx7.jpg?v=1768857551","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx5.jpg?v=1768857551","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx4.jpg?v=1768857551","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx3.jpg?v=1768857552","https://cdn.shopify.com/s/files/1/1353/1287/products/Phx6.jpg?v=1768857551","https://cdn.shopify.com/s/files/1/1353/1287/products/IMG_0096.jpg?v=1768857525","https://cdn.shopify.com/s/files/1/1353/1287/products/phxpen_threaded_plugs.jpg?v=1768857826"],"price":39,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:48.461Z"},"share_url":"https://firestarter.network/l/lst_AYc4ZXFD","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 ","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_AYc4ZXFD' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PHX-Pen : A Timeless Stainless Steel Pen' and a budget_max comfortably above $39.00 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."]}}