{"type":"firestarter.listing","listing":{"id":"lst_QMIml-cn","product_name":"Mark - Washed Black Compact Cotton T-Shirt","category":"T-Shirts","description":"A modern boxy t-shirt, designed with a clean, contemporary silhouette. Crafted from 250gsm organic compact cotton, it offers a smoother, heavier and more refined finish with a premium feel. The Mark’s shorter length is designed to sit perfectly at the waist.\n\n250gsm compact cotton for a premium hand feel\nSmooth, refined finish with added weight and structure\n\n\nRelaxed, boxy fit designed to sit neatly at the waist\n","images":["https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt.jpg?v=1783013071","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-2.jpg?v=1783013076","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-3.jpg?v=1783013083","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-4.jpg?v=1783013088","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-5.jpg?v=1783013093","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-6.jpg?v=1783013098","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-7.jpg?v=1783013104","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-8.jpg?v=1783013111","https://cdn.shopify.com/s/files/1/0575/9575/6709/files/mark-washed-black-compact-cotton-t-shirt-9.jpg?v=1783013116"],"price":75,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:21.921Z"},"share_url":"https://firestarter.network/l/lst_QMIml-cn","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_QMIml-cn' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mark - Washed Black Compact Cotton T-Shirt' and a budget_max comfortably above $75.00 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."]}}