{"type":"firestarter.listing","listing":{"id":"lst_bQ4Evcie","product_name":"Kepler Pen","category":"Desk","description":" \nMore info\n\nFrom making a list to writing poetry, drawing up plans or composing a letter – we use writing implements to communicate our thoughts and dreams to each other and ourselves.\nIn an effort to enhance your analog routine, we created a writing tool which is personal, beautifully designed, and a joy to use.\nSpecifications\n\nAvailable in Brass, Stainless Steel, and PVD Black coated Stainless Steel (Vapor Black)\nTakes Schmidt 635 refills\n5\" L x 0.3\"Ø\n2 oz\n\n\n CALIFORNIA WARNING: This product can expose you to lead, a chemical which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to: www.P65Warnings.ca.gov\n\n\nCare &amp; Maintenance\nWipe the body clean with a soft, dry cloth.\nThe brass will develop a natural patina over time — this is expected and adds to the character and story of the object.\n","images":["https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7218.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7177.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7178.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7179.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7373.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7201.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7202.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7203.jpg?v=1747068094","https://cdn.shopify.com/s/files/1/1040/0808/files/Pen_7372.jpg?v=1747068094"],"price":78,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:48.647Z"},"share_url":"https://firestarter.network/l/lst_bQ4Evcie","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_bQ4Evcie' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Kepler Pen' and a budget_max comfortably above $78.00 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."]}}