# LevelFour. All crawlers are welcome, including AI and answer-engine bots.
User-agent: *
Allow: /

# Explicitly welcome AI / LLM crawlers (training and live retrieval).
# These groups intentionally mirror the wildcard so a future tightening of
# the "*" rules never accidentally blocks answer engines.
User-agent: GPTBot
Allow: /

User-agent: OAI-SearchBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: Claude-SearchBot
Allow: /

User-agent: Claude-User
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Perplexity-User
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: Applebot-Extended
Allow: /

User-agent: CCBot
Allow: /

Sitemap: https://levelfour.ai/sitemap.xml