{"type":"firestarter.listing","listing":{"id":"lst_6FKZYSE4","product_name":"Pinstripe Colorblock Tee","category":"Boy Shirts","description":"Soft organic jersey tee with contrast charcoal jersey sleeves,  jersey neckband and water based ink pinstripes.\nFabric: 100% certified organic jersey\nFit: true to size\nCare: machine wash cold water, tumble dry","images":["https://cdn.shopify.com/s/files/1/1328/2787/products/Pinstripe-Colorblock-Tee-blue-stone-pinstripe.jpg?v=1576112242","https://cdn.shopify.com/s/files/1/1328/2787/products/Pinstripe-Colorblock-Tee-eucalyptus-stone-pinstripe.jpg?v=1576112242"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:49.001Z"},"share_url":"https://firestarter.network/l/lst_6FKZYSE4","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_6FKZYSE4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pinstripe Colorblock Tee' and a budget_max comfortably above $20.00 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."]}}