{"type":"firestarter.listing","listing":{"id":"lst_EZHnZZSm","product_name":"Model 28 Shortstock Ballpoint - Classic Black","category":"Ballpoint","description":"\nThe Model 28 Shortstock Classic Black - a small metal based ballpoint with thick lacquer, and our F-C 4 Diamonds engraved in the back to create the \"diamondback\" look. \nNominated for best Non-Fountain Pen by 2023 PWI Reader's Choice Awards!\nMetal parts are made of aluminum and brass. \n\n\nSpring loaded clip for securing in pocket.\n\n\nThe 28 Shortstock takes a Schmidt Mini 635 (international standard mini)  Click here for refills. \n\n\nBallpoint Dimensions:\n\n          4.93\" length (125mm)  x  .39\" diameter (9.9mm)\n\nWeight= 1.09oz / 31 grams\n\n\nLifetime Warranty - 30 day return policy \n\n\nIncluded with a single pen zippered pouch.\n","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/28ShortstockBlack1.jpg?v=1652455076","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/28ShortstockBlackDBack.jpg?v=1652455078","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/28SSongreybook_de62a98a-6c0d-4f85-873e-e7116bc34a8e.jpg?v=1652979733"],"price":45,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.521Z"},"share_url":"https://firestarter.network/l/lst_EZHnZZSm","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_EZHnZZSm' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Model 28 Shortstock Ballpoint - Classic Black' and a budget_max comfortably above $45.00 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."]}}