{"type":"firestarter.listing","listing":{"id":"lst_TA1S9Lfc","product_name":"USA Serenity Sports Bra (Black)","category":"Sports Bras","description":"Our #1 best-selling sports bra, now with a patriotic edge. The USA Serenity Sports Bra is made from our buttery-soft stretchLUX fabric that's moisture-wicking, lightly compressive, and perfect for workouts and everyday wear alike. Features a thin, strappy back design that delivers maximum range of motion and all-day comfort.","images":["https://cdn.shopify.com/s/files/1/0003/4183/5782/files/260317_Ecomm_46138.jpg?v=1776267834","https://cdn.shopify.com/s/files/1/0003/4183/5782/files/260317_Ecomm_46157.jpg?v=1776267834","https://cdn.shopify.com/s/files/1/0003/4183/5782/files/260317_Ecomm_46104.jpg?v=1776267834","https://cdn.shopify.com/s/files/1/0003/4183/5782/files/260317_Ecomm_46123.jpg?v=1776267834"],"price":36,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:52.890Z"},"share_url":"https://firestarter.network/l/lst_TA1S9Lfc","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_TA1S9Lfc' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy USA Serenity Sports Bra (Black)' and a budget_max comfortably above $36.00 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."]}}