{"type":"firestarter.listing","listing":{"id":"lst_fhwp_qZK","product_name":"The Caribbean","category":"Fountain Pen","description":"Colored after the rich medium blue color of the waters of the Caribbean, this big blue pen is a must have for large pen Aficionados.Dressed with a sterling silver wide cap band, stainless steel clip, this pen demands attention. The large barrel (16mm + in diameter) is easy to hold and a pleasure to write with. The section comes in at 13.25mm providing ample perch for your fingers.  Whether resting on a stand or displayed proudly in your pocket, it is sure to capture everyone's attention.The material is hand mixed and poured in a very durable, specialized epoxy that is both scratch and dig resistant and will last a lifetime. It is available with a wide variety of nib options ensuring the best individual writing experience.. ","images":["https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR439.jpg?v=1581279533","https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR452.jpg?v=1581279533","https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR483.jpg?v=1581279533","https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR488.jpg?v=1581279533","https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR498.jpg?v=1581279533","https://cdn.shopify.com/s/files/1/0329/5117/3260/products/CAR519.jpg?v=1581279533"],"price":279.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.431Z"},"share_url":"https://firestarter.network/l/lst_fhwp_qZK","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_fhwp_qZK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Caribbean' and a budget_max comfortably above $279.99 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."]}}