{"type":"firestarter.listing","listing":{"id":"lst_d4Z4KaXh","product_name":"Butterfly Brass Pen Rest","category":"Desk accessories","description":"Machined from solid brass, I’m confident your pen rest will last several lifetimes and look good doing it.\nAs a bonus, unlike most rests, it will happily accommodate up to three brushes or pens. Goodbye messy ink splattered desk!\nInspired by a beautiful joinery method called a butterfly joint, this pen rest smacks of quality and craft.","images":["https://cdn.shopify.com/s/files/1/0089/6129/4417/products/butterfly-brass-pen-rest.jpg?v=1731674057","https://cdn.shopify.com/s/files/1/0089/6129/4417/products/butterfly-brass-pen-rest-flourish-calligraphy-pen-rose-gold.jpg?v=1731674078","https://cdn.shopify.com/s/files/1/0089/6129/4417/products/butterfly-brass-pen-rest-flourish-calligraphy-pen-rose-gold-black.jpg?v=1731674130","https://cdn.shopify.com/s/files/1/0089/6129/4417/products/butterfly-brass-pen-rest-vertical.jpg?v=1731674091","https://cdn.shopify.com/s/files/1/0089/6129/4417/products/butterfly-brass-pen-rest-flourish-calligraphy-pen-rose-gold-v2.jpg?v=1731674158"],"price":29,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:24.308Z"},"share_url":"https://firestarter.network/l/lst_d4Z4KaXh","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_d4Z4KaXh' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Butterfly Brass Pen Rest' and a budget_max comfortably above $29.00 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."]}}