{"type":"firestarter.listing","listing":{"id":"lst__gy6fTMT","product_name":"Shadow Obsidian Colossus: 55mm Giant d20 Dice with Gold Inlay","category":null,"description":"Roll with the weight of destiny using the Shadow Obsidian Colossus, a 55mm Giant d20 that commands attention. This oversized d20 features a sleek matte-black finish reminiscent of polished volcanic glass, contrasted with deep-cut gold inked numbers for a bold and elegant look.\nKey Features:\n\n\nSize: 55mm diameter—an imposing d20 that towers over standard dice.\n\n\nMaterial: Premium acrylic built for both rolling and display.\n\n\nDesign: Solid obsidian-black with metallic gold numbers, creating a high-contrast, luxury feel. Perfect for players who prefer clean, classic dice with an air of intimidation.\n\n\nTable Presence: Great for DMs dropping legendary monster attacks, players rolling for high-stakes moments, or collectors looking for a statement piece.\n\n\nVersatility: Fits any fantasy setting—from shadowy rogue campaigns to high-fantasy adventures steeped in gold and glory.\n\n\nThe Shadow Obsidian Colossus is a dice of fate—whether you're rolling for triumph or tragedy, you’ll do it in style.","images":["https://cdn.shopify.com/s/files/1/0028/1496/7869/files/Screenshot_38_74ac13e9-3834-4e25-a5eb-9d67e18a05db.png?v=1752954002"],"price":13.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:12.726Z"},"share_url":"https://firestarter.network/l/lst__gy6fTMT","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__gy6fTMT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shadow Obsidian Colossus: 55mm Giant d20 Dice with Gold Inlay' and a budget_max comfortably above $13.99 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."]}}