Agent Grade / AI bots by site / facebook.com
Does facebook.com block ChatGPT?
facebook.com is open to Google but blocks ChatGPT search, Claude search, Perplexity. ChatGPT search is blocked, and OpenAI's training bot is blocked. From its public robots.txt, checked 23 to 24 October 2026. It ranks #4 on the Tranco list of top sites.
| Bot | What it does | Home page | Deciding rule |
|---|---|---|---|
| Googlebot | Google Search | Allowed | no rule blocks it |
| Bingbot | Bing / Copilot | Allowed | no rule blocks it |
| OAI-SearchBot | ChatGPT search | Blocked (blanket rule) | User-agent: * / Disallow: / |
| ChatGPT-User | ChatGPT (user asks) | Blocked (blanket rule) | User-agent: * / Disallow: / |
| GPTBot | OpenAI training | Blocked | User-agent: GPTBot / Disallow: / |
| Claude-SearchBot | Claude search | Blocked (blanket rule) | User-agent: * / Disallow: / |
| Claude-User | Claude (user asks) | Blocked (blanket rule) | User-agent: * / Disallow: / |
| ClaudeBot | Anthropic training | Blocked | User-agent: ClaudeBot / Disallow: / |
| PerplexityBot | Perplexity search | Blocked | User-agent: PerplexityBot / Disallow: / |
| Perplexity-User | Perplexity (user asks) | Blocked (blanket rule) | User-agent: * / Disallow: / |
| Google-Extended | Gemini training | Blocked | User-agent: Google-Extended / Disallow: / |
| Applebot-Extended | Apple AI training | Blocked | User-agent: Applebot-Extended / Disallow: / |
| CCBot | Common Crawl | Blocked (blanket rule) | User-agent: * / Disallow: / |
| meta-externalagent | Meta AI | Blocked (blanket rule) | User-agent: * / Disallow: / |
| Bytespider | ByteDance | Blocked (blanket rule) | User-agent: * / Disallow: / |
"Blanket rule": facebook.com never names that bot; a rule for every bot (User-agent: *) applies. llms.txt: No. robots.txt is what a site asks bots to do; some sites also block bots at the network edge.
Questions
Does facebook.com block ChatGPT search?
Yes. facebook.com's robots.txt keeps OAI-SearchBot, the crawler behind ChatGPT search, off its home page (User-agent: * / Disallow: /), as checked 23 to 24 October 2026.
Does facebook.com block GPTBot?
Yes. facebook.com blocks GPTBot, OpenAI's training crawler (User-agent: GPTBot / Disallow: /).
Does facebook.com block Claude?
ClaudeBot (Anthropic training): blocked. Claude-SearchBot (Claude search): blocked. Claude-User (fetches for a person): blocked.
Does facebook.com have an llms.txt file?
We did not find an llms.txt file on facebook.com, or its robots.txt did not allow us to fetch it.
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