{"type":"firestarter.listing","listing":{"id":"lst_TzH21CdW","product_name":"Mexicali Shirt (Blue Stripe)","category":"SHIRTS","description":"\n  100% cotton\n  Dobby stripe fabric\n  Four pockets\n  Relaxed fit\n\n\nA new one for SS26, the Mexicali Shirt is a lightweight short-sleeved shirt made from textured dobby-stripe cotton. If you’re looking for the perfect poolside shirt, then you’re browsing on the right web page. Easy going, made to last, and yeah, it’s got loads of pockets too.","images":["https://cdn.shopify.com/s/files/1/2425/1015/files/SS26029643MEXICALISSSHIRTBLUESTRIPE-1_1.jpg?v=1768469491","https://cdn.shopify.com/s/files/1/2425/1015/files/SS26029643MEXICALISSSHIRTBLUESTRIPE-2.jpg?v=1768469495","https://cdn.shopify.com/s/files/1/2425/1015/files/SS26029643MEXICALISSSHIRTBLUESTRIPE-3_1.jpg?v=1768469495","https://cdn.shopify.com/s/files/1/2425/1015/files/SS26029643MEXICALISSSHIRTBLUESTRIPE-4_1.jpg?v=1768469496","https://cdn.shopify.com/s/files/1/2425/1015/files/SS26029643MEXICALISSSHIRTBLUESTRIPE-5_1.jpg?v=1768469497"],"price":109,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:34.278Z"},"share_url":"https://firestarter.network/l/lst_TzH21CdW","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_TzH21CdW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mexicali Shirt (Blue Stripe)' and a budget_max comfortably above $109.00 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."]}}