{"type":"firestarter.listing","listing":{"id":"lst_EhTpJ5ur","product_name":"Howler Posse T-Shirt - Blue Horizon","category":"Men's T-Shirts","description":"We use our Howler blended t-shirts as the canvas for classic Howler designs and original creations. Made with supremely soft cotton-poly blend for maximum comfort and style.","images":["https://cdn.shopify.com/s/files/1/0206/9034/files/S26_Tees_T-Shirt_Howler-Posse_Blue-Horizon_Flat-Back_tan.jpg?v=1769613724","https://cdn.shopify.com/s/files/1/0206/9034/files/S26_Tees_T-Shirt_Howler-Posse_Blue-Horizon_Lifestyle-02_tan.jpg?v=1769613733","https://cdn.shopify.com/s/files/1/0206/9034/files/S26_Tees_T-Shirt_Howler-Posse_Blue-Horizon_Flat-Front_tan.jpg?v=1769613726","https://cdn.shopify.com/s/files/1/0206/9034/files/S26_Tees_T-Shirt_Howler-Posse_Blue-Horizon_Lifestyle-01_tan.jpg?v=1769613734"],"price":40,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:29:55.632Z"},"share_url":"https://firestarter.network/l/lst_EhTpJ5ur","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_EhTpJ5ur' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Howler Posse T-Shirt - Blue Horizon' and a budget_max comfortably above $40.00 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."]}}