{"type":"firestarter.listing","listing":{"id":"lst_HRkSTSqE","product_name":"Creatine","category":null,"description":"Creatine is a peptide (a short string of amino acids) that every human produces on their own. This molecule is part of our body’s energy systems: it combines with a molecule of phosphate to form creatine phosphate, which can be broken back apart to regenerate ATP – the “energy currency” of the body.\nGnarly Nutrition uses Creapure® as the sole ingredient in Gnarly Creatine. Creapure® is the highest quality and most widely studied form of creatine. Creapure® is vegan, IFS FOOD certified and both Kosher and Halal certified.\n\n\n5 grams of vegan Creapure ® creatine monohydrate per serving.\n90 servings per bag.\nUnflavored so you can add it to your favorite Gnarly product\nMixes great in hot or cold water\nGnarly Creatine is both NSF Content Certified and NSF for Sport Certified.\nNSF Content Certified Products go through a toxicology review, label claim testing and contaminant testing for heavy metals, microbes and pesticides.\nNSF for Sport Certified Products must pass NSF Content Certification and are additionally tested for over 270 substances that are banned by professional sports leagues as well as national and international doping oversight organizations.\n","images":["https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-CRBG-UN_D2-WEB.webp?v=1777398513","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-CRBG-UN_D3-WEB.webp?v=1777398513","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-CRBG-UN_D4-WEB.webp?v=1777398513","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/Creatine_NFP.jpg?v=1723571449"],"price":54.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:59.931Z"},"share_url":"https://firestarter.network/l/lst_HRkSTSqE","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_HRkSTSqE' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Creatine' and a budget_max comfortably above $54.95 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."]}}