# HelixKey — robots.txt # Public content — indexable by search engines. User-agent: * Allow: / Disallow: /preview/ Disallow: /preview-litepaper/ Disallow: /preview-whitepaper/ Disallow: /logo-lab/ # Ban AI training crawlers User-agent: GPTBot Disallow: / User-agent: ClaudeBot Disallow: / User-agent: anthropic-ai Disallow: / User-agent: CCBot Disallow: / User-agent: Google-Extended Disallow: / User-agent: Applebot-Extended Disallow: / User-agent: Bytespider Disallow: / User-agent: Amazonbot Disallow: / User-agent: meta-externalagent Disallow: / User-agent: PerplexityBot Disallow: / Sitemap: https://helixkey.org/sitemap.xml