{"type":"firestarter.listing","listing":{"id":"lst_r19qmCg0","product_name":"Shamrocking T","category":"Apparel","description":"FINELY PRINTED T-SHIRTS• Forest Green T-shirt• Bright Green and Bone Graphic• Super Soft 100% Cotton","images":["https://cdn.shopify.com/s/files/1/0883/2790/files/Shamrockin26_F.jpg?v=1770234207","https://cdn.shopify.com/s/files/1/0883/2790/files/Shamrockin26_Snap.jpg?v=1770234207","https://cdn.shopify.com/s/files/1/0883/2790/files/Shamrockin26_B.jpg?v=1770234207","https://cdn.shopify.com/s/files/1/0883/2790/products/SizingChart_2020_men_f0e8b15b-1de7-4a53-a7a4-4591eb12c1bb.jpg?v=1770234207"],"price":18.56,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:40.510Z"},"share_url":"https://firestarter.network/l/lst_r19qmCg0","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_r19qmCg0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shamrocking T' and a budget_max comfortably above $18.56 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."]}}