{"type":"firestarter.listing","listing":{"id":"lst_rTvhys9w","product_name":"Portals Shirt - Vintage White","category":"Short Sleeve Shirts","description":"The Portals Shirt is a heavier-weight cotton plaid built for layering or wearing on its own. It features coconut buttons, a Critical woven label on the chest pocket, and an easy oversized fit that leans relaxed.\nOur model is 6'2\" and wears a size Large. We recommend taking your usual size.\nDesigned in Bondi, Australia.","images":["https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALSSSSHIRT_0765.jpg?v=1774330118","https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALSSSSHIRT_0766.jpg?v=1774330117","https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALS_SS_SHIRT_0765_2.jpg?v=1774330235","https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALSSSSHIRT_0769.jpg?v=1774330235","https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALSSSSHIRT_0772.jpg?v=1774330235","https://cdn.shopify.com/s/files/1/0116/5092/files/SS25078-VIW-PORTALSSSSHIRT_0777.jpg?v=1774330235"],"price":99.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:30.834Z"},"share_url":"https://firestarter.network/l/lst_rTvhys9w","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 ","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_rTvhys9w' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Portals Shirt - Vintage White' and a budget_max comfortably above $99.95 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."]}}