{"type":"firestarter.listing","listing":{"id":"lst_IZkCbiZJ","product_name":"Collagen Pro","category":null,"description":"Collagen is the most abundant structural protein in the body and provides the scaffolding that builds structure and strength in joints. Collagen production declines with age and athletes are particularly vulnerable to joint-related injuries. Taking collagen peptides in the 30 to 60 minutes prior to training kickstarts collagen synthesis and may make tendons, ligaments, and joints healthier, stronger, and more resilient. \n\nMore\n\nCollagen peptides sourced from pasture-raised and finished cattle\n100% DV of Vitamin C to support collagen structure and integrity\n15mg zinc/1mg copper for collagen protection\nUnflavored so you can add it to your favorite Gnarly product\nMixes great in hot or cold water\nGnarly Collagen 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\n*Stick packs are not NSF for Sport or Contents Certified","images":["https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COTB-UN_D2-WEB.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COTB-UN_D3-WEB.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COTB-UN_D4-WEB.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COBX-UN_D1-WEB_a3ee2b8b-288f-49b4-ae13-7dc045cdfd2a.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COBX-UN_D3-WEB_ad603207-8b34-4c3d-a3c6-fe31250bfb84.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/GN-COSP-UN_D1-WEB_24cb9508-9e02-47fb-9a10-4b56e0bf3600.webp?v=1777398424","https://cdn.shopify.com/s/files/1/0531/8233/3094/files/NFP_Collagen.webp?v=1758823860"],"price":49.95,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:59.932Z"},"share_url":"https://firestarter.network/l/lst_IZkCbiZJ","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_IZkCbiZJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Collagen Pro' and a budget_max comfortably above $49.95 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."]}}