{"type":"firestarter.listing","listing":{"id":"lst_C83kks00","product_name":"Sandcastles in the Sand","category":null,"description":"A cool-toned ivory nail polish with a fine shimmer finish.","images":["https://cdn.shopify.com/s/files/1/0244/1848/4279/files/SandCastles-bottle.png?v=1776985976","https://cdn.shopify.com/s/files/1/0244/1848/4279/files/SandCastles-Swatch.png?v=1776985976","https://cdn.shopify.com/s/files/1/0244/1848/4279/files/4x5_3.png?v=1781118915","https://cdn.shopify.com/s/files/1/0244/1848/4279/files/4x5_4.png?v=1781118943","https://cdn.shopify.com/s/files/1/0244/1848/4279/files/resize.png?v=1781119243"],"price":15,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:20.088Z"},"share_url":"https://firestarter.network/l/lst_C83kks00","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_C83kks00' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sandcastles in the Sand' and a budget_max comfortably above $15.00 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."]}}