{"type":"firestarter.listing","listing":{"id":"lst_DuLCJ8oG","product_name":"Missouri Gooey Butter Cake Marshmallows","category":"Marshmallows","description":"The flavor representing Missouri in Marshmallows Across America is Gooey Butter Cake!\nInspired by the iconic St. Louis dessert, our Gooey Butter Cake Marshmallows are rich with buttery sweetness, smooth vanilla flavor, and just a hint of toasted pecan. Soft, decadent, and delightfully nostalgic, these marshmallows capture the taste of a fresh slice of gooey butter cake with its signature melt-in-your-mouth texture. Handcrafted with real vanilla and butter extracts, they deliver all the comforting charm of this Missouri classic in every fluffy bite!\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.\nContains Dairy\n","images":["https://cdn.shopify.com/s/files/1/0196/8728/files/missouri-gooey-butter-cake.png?v=1744330094","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":"2026-06-18T20:46:21.686Z"},"share_url":"https://firestarter.network/l/lst_DuLCJ8oG","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_DuLCJ8oG' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Missouri Gooey Butter Cake 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."]}}