Free NisonCo AI crawler policy tool
Generate an llms.txt file and robots.txt AI crawler rules for GPTBot, ClaudeBot, Google-Extended, PerplexityBot, and other major AI crawlers. Use it to manage AI crawler access with clearer technical guidance and fewer copy-paste mistakes.
Start here
Generate a site-ready llms.txt file and AI crawler rules
Describe your site, choose how AI crawlers should be treated, and copy a clean llms.txt file plus robots.txt AI crawler rules. The generator is built for marketers, founders, and technical teams who need a fast starting point for AI crawler policy.
- Supports policies for AI answer engines, AI training crawlers, and stricter crawler blocking.
- Includes major crawler tokens such as GPTBot, ClaudeBot, Google-Extended, OAI-SearchBot, ChatGPT-User, Claude-SearchBot, PerplexityBot, and Perplexity-User.
- Marketing emails are optional; generated files appear on-screen after submission.
Review the generated rules with your technical team before publishing them. Robots.txt is honored by many reputable crawlers, but it is not a security boundary.
Built by NisonCo’s SEO and AI consulting team. Updated July 2026.
Why this matters
AI crawler access is now part of technical SEO hygiene
As AI search, answer engines, and AI training crawlers interact with the web in different ways, teams need a clearer process for deciding what should be accessible, what should be limited, and what should be documented. This free llms.txt generator helps turn that policy decision into practical site files.
Clarify your site for AI systems
An llms.txt file summarizes important pages in a simple format that AI systems can read if they choose to fetch it.
Manage crawler access
Robots.txt rules provide the practical layer for allowing or blocking compliant AI crawler user agents.
Avoid accidental overblocking
The middle policy option can preserve answer-engine visibility while limiting bulk training crawlers where robots.txt is respected.
Policy options
Choose the AI crawler policy that fits your goals
The right policy depends on your content, legal posture, growth strategy, and appetite for AI visibility. The generator gives you three clear starting points.
Allow answer engines, block training bots
Useful for many marketing teams that want visibility in AI answer products while limiting bulk AI training access where compliant crawlers honor robots.txt.
Allow all major AI crawlers
A fit when discoverability and citation opportunities matter more than limiting crawler use. This keeps your robots.txt policy simple and open.
Block all major AI crawlers
A stricter path for organizations that do not want major AI answer or training crawlers accessing site content through compliant crawler paths.
Implementation
How to use your generated files
1. Publish llms.txt
Add the generated Markdown file to your site root, usually at /llms.txt, so the file is available at a predictable URL.
2. Update robots.txt
Merge the generated AI crawler user-agent rules into your existing robots.txt file after confirming they do not conflict with current SEO directives.
3. Monitor and refine
Review server logs, crawler behavior, AI search visibility, and organic search performance before tightening or loosening your policy.
Important caveat
llms.txt helps with clarity, not guaranteed AI visibility
An llms.txt file can make your important pages easier to summarize for systems that fetch it. It is not a shortcut to ChatGPT citations, Perplexity rankings, or AI search visibility.
Strong AI visibility depends on useful content, clear site architecture, structured data, authoritative mentions, internal links, and broader SEO strategy.
Need a fuller AI search strategy?
Start with NisonCo’s free AI tools, review your technical SEO foundation, and explore AI consulting services or SEO services if you need help turning crawler policy into measurable organic growth.
FAQ
Frequently asked questions about llms.txt and AI crawler rules
What is an llms.txt generator?
An llms.txt generator turns your site description and key URLs into a Markdown file that AI systems can read if they choose to fetch /llms.txt. This tool also generates robots.txt AI crawler rules.
Does llms.txt block AI crawlers?
No. llms.txt is not an access-control file. To allow or block compliant AI crawlers, use robots.txt rules for specific user-agent tokens.
Where should I put my llms.txt file?
Most sites publish it at the root of the domain, such as https://example.com/llms.txt. The generated robots.txt block can also point to that location.
Can I use this on WordPress, Shopify, or Webflow?
Yes. Copy the generated llms.txt content into a root-level file and merge the robots.txt rules into the robots.txt controls your CMS or hosting platform provides. Check platform-specific publishing steps before going live.
Should I block AI training crawlers but allow answer engines?
Many teams choose that middle path because it may preserve AI search visibility while limiting use by bulk AI training crawlers where robots.txt is respected.
Can robots.txt stop every AI scraper?
No. Robots.txt is a crawler instruction honored by many reputable systems, not an authentication system or security control. Bad actors can ignore it.
Is this a replacement for SEO or GEO?
No. llms.txt and robots.txt rules are technical hygiene. They do not replace strong content, structured data, brand authority, internal linking, or broader SEO and GEO work.
