{"type":"firestarter.listing","listing":{"id":"lst_Tuhq2vrf","product_name":"Franklin-Christoph 17oz Cup","category":"FC Gear","description":"Simple black cups, short and wide, holding 17oz of liquid. Imprinted with name and logo on one side, and larger logo on the other. Great for beer or pens, but don't mix!","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/ScreenShot2020-09-01at9.14.02AM.png?v=1601474534"],"price":4.25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.671Z"},"share_url":"https://firestarter.network/l/lst_Tuhq2vrf","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_Tuhq2vrf' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Franklin-Christoph 17oz Cup' and a budget_max comfortably above $4.25 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."]}}