User-Agent Lookup for AI Bots
Detects 30+ common bots and AI agents from raw User-Agent strings: GPTBot, ClaudeBot, PerplexityBot, Googlebot, Bingbot, DuckAssistBot, and more. Shows owner, purpose, and the recommended directive.
User-Agent string
Identified: GPTBot
- Owner
- OpenAI
- Category
- AI
- Description
- OpenAI training crawler.
Apply this with your coding agent
Get a ready-made prompt that wraps the output above with implementation steps. Paste it into your AI assistant and let it ship the change.
Tips
User-Agent strings are not authenticated. A request can claim any UA. Combine UA matching with reverse DNS verification when access decisions matter.
For AI crawlers, most major vendors publish the IP ranges they crawl from. Check the vendor docs and verify before granting elevated access.
Real usage example
Scenario
Server logs show a crawler string and the team needs to know whether it is an AI bot.
Input
Paste the full User-Agent value from access logs.
Output
Bot type, owner, likely purpose, and recommended robots.txt handling.
Verify on a real URL
Run a full agent readiness scan to see how your live site responds end to end.