# Block AI model-training crawlers
User-agent: GPTBot
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: PerplexityBot
Disallow: /

# (Optional) Some others often used for AI/data
User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /
User-agent: Claude-Web
Disallow: /