{"type":"firestarter.listing","listing":{"id":"lst_sS44wDYv","product_name":"Carbide T-Shirt","category":"Merch","description":"\nPrinted on a black t-shirt with the Carbide pedal artwork.\n \nArtwork by Matt Stikker.","images":["https://cdn.shopify.com/s/files/1/0370/1873/0628/files/Carbide_shirt_shopify-01-min.png?v=1686723951"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:04.262Z"},"share_url":"https://firestarter.network/l/lst_sS44wDYv","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_sS44wDYv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Carbide T-Shirt' and a budget_max comfortably above $25.00 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."]}}