# Default policy - allow all
User-agent: *
Allow: /

# Major search engines
User-agent: Googlebot
Allow: /

User-agent: Bingbot
Allow: /

User-agent: YandexBot
Allow: /

User-agent: Slurp
Allow: /

# AI systems and chatbots
User-agent: GPTBot
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Meta-ExternalAgent
Allow: /

User-agent: YouBot
Allow: /

User-agent: CCBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: Applebot
Allow: /

# Academic and research crawlers
User-agent: ia_archiver
Allow: /

# Block potentially problematic crawlers
User-agent: AhrefsBot
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: DotBot
Disallow: /

# Crawl-delay for heavy crawlers (optional)
User-agent: Bingbot
Crawl-delay: 1

User-agent: Slurp
Crawl-delay: 1

# Sitemap location
Sitemap: https://unishub.com/sitemap.xml