{"type":"firestarter.listing","listing":{"id":"lst_erJFuRVl","product_name":"Ferness Oversized Shirt in Sage Floral Slub Cotton","category":"SS26 SEASONAL - SHIRTS","description":"New for SS26 - The Ferness is a classic short sleeve shirt, with a curved hem and standard collar. Perfect for everyday wear.\nMade from a comfortable and soft 100% Cotton slub fabric. A subtle textured handle, this shirt will only get better with wear. \nFIT - The Ferness is an Oversized Fit, designed to be loose and flowy, leaving plenty of room for a base layer.","images":["https://cdn.shopify.com/s/files/1/0258/6001/4152/files/SS26-PRODUCT-5.jpg?v=1769442727","https://cdn.shopify.com/s/files/1/0258/6001/4152/files/KESTIN-SS26-FABRIC-0-5_1.jpg?v=1772728529"],"price":145,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:15.742Z"},"share_url":"https://firestarter.network/l/lst_erJFuRVl","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_erJFuRVl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ferness Oversized Shirt in Sage Floral Slub Cotton' and a budget_max comfortably above $145.00 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."]}}