{"type":"firestarter.listing","listing":{"id":"lst_0Fm5-MNy","product_name":"Brass Challenge Coin – Guardian Skull & Insignia","category":null,"description":"Carry your commitment with you. The Koch Tools Co. Brass Challenge Coin is a solid brass keepsake featuring a bold Guardian Skull on the obverse and the Koch Tools Co. insignia on the reverse.\nChallenge coins have a long tradition of representing pride, belonging, and craftsmanship. Ours is no different — precision-struck in brass with a milled edge and a finish that only gets better with time.\nA worthy addition to any EDC kit or collection.","images":["https://cdn.shopify.com/s/files/1/0029/5937/6496/files/FullSizeRender_99691867-ed4b-448f-afb4-716f44c3feb6.jpg?v=1782578175"],"price":49.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T14:44:33.924Z"},"share_url":"https://firestarter.network/l/lst_0Fm5-MNy","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_0Fm5-MNy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Brass Challenge Coin – Guardian Skull & Insignia' and a budget_max comfortably above $49.99 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."]}}