GPTBot
OAI-SearchBot
ChatGPT-User
ClaudeBot
Claude-SearchBot
Claude-User
anthropic-ai
PerplexityBot
Perplexity-User
Google-Extended
CCBot
Applebot-Extended
meta-externalagent
cohere-ai
YouBot
Diffbot
Bytespider
DuckAssistBot
PhindBot