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Free AI Crawler Robots.txt Generator

Build a robots.txt that guides GPTBot, Claude, and Perplexity while keeping human search indexed.

Copy-paste outputs

Win high-intent buyers from ChatGPT, Gemini, Claude, Perplexity, and AI Overviews before your competitors do.

One operating layer for monitoring, measurement, content action, and technical cleanup.

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Tool 01

AI Crawler Robots.txt Builder

Control AI crawler access without guesswork. Build a robots.txt that keeps humans and assistants aligned.

Policies
Set default access and override by crawler.
robots.txt output
Copy and paste into your site root.
robots.txt
User-agent: *
Allow: /

User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: CCBot
Allow: /

User-agent: Anthropic-AI
Allow: /

User-agent: Claude-Web
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: xAI-Bot
Allow: /

User-agent: Mistral-Bot
Allow: /

How it works

AI Crawler Robots.txt Builder: methodology and worked example

How this tool computes its result

Builds a robots.txt file from a default policy (Allow: / or Disallow: /) applied to `User-agent: *`, followed by one block per crawler in a fixed list of nine named AI bots (GPTBot, ChatGPT-User, CCBot, Anthropic-AI, Claude-Web, PerplexityBot, Google-Extended, xAI-Bot, Mistral-Bot), each independently toggleable between Allow and Disallow. An optional Crawl-delay value, if set, is appended identically to every single block including the wildcard block. An optional Sitemap URL is appended as the final line.

Worked example

Default policy "Allow", PerplexityBot individually switched to "Disallow", crawl delay "1", sitemap URL "https://example.com/sitemap.xml": output includes `User-agent: *` / `Allow: /` / `Crawl-delay: 1` at the top, a `User-agent: PerplexityBot` / `Disallow: /` / `Crawl-delay: 1` block among the others (all still Allow), and a trailing `Sitemap: https://example.com/sitemap.xml` line.

When not to use this tool

Every rule generated is whole-site (`Allow: /` or `Disallow: /`) — there is no way to block or allow a specific path like `/admin/` per bot, only all-or-nothing access per user-agent. The nine-bot list is also fixed in the component's source and will not automatically include newer AI crawler user-agent strings introduced after this list was written.

Common mistakes

  • - Expecting "Disallow" for a given bot to block only part of the site — it always disallows the entire site (`/`) for that user-agent, with no path-level granularity.
  • - Setting a Crawl-delay value expecting it to apply only to a chosen bot — it is written into every single user-agent block generated, including the wildcard `*` block, whether or not that makes sense for that crawler.
  • - Treating the fixed nine-crawler list as exhaustive — new or renamed AI crawler user-agents released after this list was built will not appear and must be added manually to the generated file.

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Track where your brand shows up in AI answers, close the content gaps that cost conversions, and stay visible across ChatGPT, Claude, Gemini, Perplexity, and Grok.

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Frequently Asked Questions

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