{"type":"firestarter.listing","listing":{"id":"lst_931s3LSE","product_name":"Within You - Unflavored Original Steak Shake","category":"Animal Protein","description":"\n\nNo Sweeteners, No Flavoring: The complete Steak Shake formula in its pure form — maximally versatile for smoothies, recipes, and custom mixes.\n\n4 Protein Sources: Grass-fed beef protein, grass-fed whey, egg whites, and BUBS Hydrolyzed Beef Collagen.\n\nBeef Organ Complex: Liver, heart, kidney, pancreas, and spleen in every serving.\n\n27g Protein Per Scoop: High-protein formula across 30 servings per tub.\n\nGluten-Free, No Fillers: Same clean formula as the flavored versions without the taste compounds.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SteakShake-un-fr.jpg?v=1780595054","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SteakShake-un-bk.jpg?v=1780595055","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/F0873DFF-8F96-4307-A6C8-7828598FB227.png?v=1780595055","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/UNFLAVOREDSTEAKSHAKE.jpg?v=1780595055","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/withinyou_21.jpg?v=1780595055"],"price":69,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:58.056Z"},"share_url":"https://firestarter.network/l/lst_931s3LSE","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_931s3LSE' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Within You - Unflavored Original Steak Shake' and a budget_max comfortably above $69.00 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."]}}