# Allow all standard search engine crawlers
User-agent: Googlebot
Allow: /

User-agent: Bingbot
Allow: /

User-agent: DuckDuckBot
Allow: /

User-agent: Twitterbot
Allow: /

User-agent: facebookexternalhit
Allow: /

User-agent: LinkedInBot
Allow: /

# Allow LLM and AI training/retrieval crawlers
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: OAI-SearchBot
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: Claude-Web
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Perplexity-User
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: Applebot
Allow: /

User-agent: Applebot-Extended
Allow: /

User-agent: CCBot
Allow: /

User-agent: Bytespider
Allow: /

User-agent: Meta-ExternalAgent
Allow: /

# Default — allow everything except admin
User-agent: *
Allow: /
Disallow: /admin/
Disallow: /admin

Sitemap: https://sbtinstruments.com/sitemap.xml

# LLM/AI content guide (https://llmstxt.org)
Llms: https://sbtinstruments.com/llms.txt