{"type":"firestarter.listing","listing":{"id":"lst_FPGBzlRB","product_name":"Studio Fountain Pen Gift Set","category":"Fountain pens","description":"The gift of timeless penmanship! The Studio Fountain Pen Gift Set pairs the elegant Studio Fountain Pen with a solid brass pen rest and our incredible fountain pen ink, creating a thoughtful and stylish gift for the wordsmith in your life. Fully customisable, they can select from a variety of nib types, pen colours, and ink shades to suit their individual style.","images":["https://cdn.shopify.com/s/files/1/0089/6129/4417/files/GiftSet_FountainPen.jpg?v=1768907993","https://cdn.shopify.com/s/files/1/0089/6129/4417/files/studio-fountain-pen-gift-set-black.jpg?v=1768907993"],"price":152,"currency":"USD","in_stock":true,"inventory_qty":839916,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.646Z"},"share_url":"https://firestarter.network/l/lst_FPGBzlRB","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_FPGBzlRB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Studio Fountain Pen Gift Set' and a budget_max comfortably above $152.00 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."]}}