{"type":"firestarter.listing","listing":{"id":"lst_5HmAfN-t","product_name":"Michigan Mackinac Island Fudge Marshmallows","category":"Marshmallows","description":"The flavor representing  Michigan in Marshmallows Across America is Mackinac Island Fudge!\nStraight from the heart of the Great Lakes, our Michigan marshmallow is inspired by the world-famous fudge of Mackinac Island. This sweet bite captures the essence of the island’s timeless treat — smooth, chocolatey, and deeply nostalgic. \nAll of our marshmallows are made with real cane sugar, for a crisper \"sweet\" and a better aftertaste. Gluten-Free and made with Kosher ingredients. Each box of 16 marshmallows is packaged in lovingly letter-pressed, American-made paper.\n","images":["https://cdn.shopify.com/s/files/1/0196/8728/files/michigan-mackinac-island-fudge.png?v=1776464304","https://cdn.shopify.com/s/files/1/0196/8728/files/Enclosed-Logo-withTag.png?v=1750270637"],"price":10.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:21.691Z"},"share_url":"https://firestarter.network/l/lst_5HmAfN-t","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_5HmAfN-t' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Michigan Mackinac Island Fudge Marshmallows' and a budget_max comfortably above $10.95 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."]}}