{"type":"firestarter.listing","listing":{"id":"lst_OLw52jFo","product_name":"F14 - (SNR) - Prototype resin #4","category":"Fountain Pen","description":"Springtime in a pocket—this F14 Prototype #4 is a delightful mystery born from year-end inventory clearing. Green, baby blue, white, and yellow swirl together in an unexpectedly harmonious dance, creating a cheerful palette that feels fresh and full of possibility. The original purpose of this experimental resin blend remains unknown, but what emerged is pure joy in pen form. This one-of-a-kind pocket companion captures that perfect moment when seasons collide—think fresh grass meeting clear skies with hints of sunshine peeking through. Limited and unrepeatable, this prototype is the kind of happy accident that reminds us why we love collecting pens. Perfect for anyone who appreciates color combinations that shouldn't work but absolutely do, loves owning something genuinely unique, or simply wants a pen that brings a smile every time they reach for it. Don't miss this charming blend of serendipity and style—prototypes this playful don't come around often.","images":["https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20251126-20251126_110723.jpg?v=1764202562","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20251126-20251126_110633.jpg?v=1764202562","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20251126-20251126_110638.jpg?v=1764202562","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20251126-20251126_110645.jpg?v=1764202562","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20251126-20251126_110658.jpg?v=1764202562","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-1_Page_2_10b8831f-3900-4907-a9c1-c8e010d342f3.jpg?v=1771952136","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-1_Page_1_6723b42c-8f54-49e6-ae4b-a2dbc2273025.jpg?v=1771952136"],"price":184.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.080Z"},"share_url":"https://firestarter.network/l/lst_OLw52jFo","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_OLw52jFo' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy F14 - (SNR) - Prototype resin #4' and a budget_max comfortably above $184.99 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."]}}