{"type":"firestarter.listing","listing":{"id":"lst_MYbEMVdk","product_name":"Massachusetts Boston Cream Pie Marshmallows","category":"Marshmallows","description":"The flavor representing Massachusetts in Marshmallows Across America is Boston Cream Pie!\nA dessert classic reimagined in marshmallow form! Representing the sweet soul of Massachusetts, this marshmallow layers rich vanilla custard flavor with a silky chocolate finish, just like the beloved Boston Cream Pie.\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/massachusetts-boston-cream-pie.png?v=1744218410","https://cdn.shopify.com/s/files/1/0196/8728/files/Boston-Cream-Pull.gif?v=1746474989","https://cdn.shopify.com/s/files/1/0196/8728/files/Boston-Cream-Squish.gif?v=1746474989","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":"2026-06-18T20:46:21.696Z"},"share_url":"https://firestarter.network/l/lst_MYbEMVdk","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 ","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_MYbEMVdk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Massachusetts Boston Cream Pie 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."]}}