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llms.txt – AI SEO & Search Engine Optimization Directory

We've curated 1,300+ websites using llms.txt to improve AI-driven search and SEO optimization. By implementing llms.txt, site owners save time on content generation, gain more organic traffic and strengthen their AI SEO strategy. Whether you're focused on keyword research, link building or optimizing content for search engine optimization our directory helps you stay ahead.

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1501 results
Karrier One

Building the foundation for truly borderless connectivity through decentralized infrastructure.

/llms.txt
1,352 tokens
SaaS & Products
Koala

Koala gives reps a single-pane-of-glass for account prioritization, deep research, and identifying buying committees.

/llms.txt
2,664 tokens
/llms-full.txt
52,799 tokens
SaaS & Products
CitrusAd

A new generation of identity-led retail media, both on and off-site. The first retail media platform to unite on-site and off-site capabilities.

/llms.txt
0 tokens
SaaS & Products
Hola

Wish you could access worldwide content anytime, anywhere? With Hola you can! Experience uninterrupted content at the tip of your fingers! Discover more.

/llms.txt
890 tokens
SaaS & Products
Jam.dev

/llms.txt
1,362 tokens
Websites
Chatbase

Instantly assist customers with an AI-chatbot for quick, accurate answers. Build your chatbot today!

/llms.txt
1,940 tokens
/llms-full.txt
66,706 tokens
SaaS & Products
Courier

Courier is your complete platform for sending notifications.

/llms.txt
15,927 tokens
/llms-full.txt
222,700 tokens
SaaS & Products
DataCamp

Learn Data Science & AI from the comfort of your browser, at your own pace with DataCamp's video tutorials & coding challenges on R, Python, Statistics & more.

/llms.txt
2,123 tokens
/llms-full.txt
1,077 tokens
SaaS & Products
Tiptap

Tiptap is a suite of content editing & real time collaboration tools. Build editor experiences like Notion in weeks, not years.

/llms.txt
21,965 tokens
Developer Tools
Exemplar's AI Engineer's Handbook

/llms.txt
2,984 tokens
/llms-full.txt
94,815 tokens
Websites
liblab

Discover liblab, the ultimate SDK generator for creating robust SDKs. Leverage our innovative SDK software and comprehensive documentation to enhance your development process.

/llms.txt
18,587 tokens
Developer Tools
Remult

Build Full-stack, End-to-end Type-safe CRUD Apps without the Boilerplate

/llms.txt
278 tokens
/llms-full.txt
362,398 tokens
Developer Tools
ZenML

A MLOps framework for machine learning pipelines that run anywhere - AWS Sagemaker, GCP Vertex AI, Kubeflow Pipelines with MLflow and more!

/llms.txt
108,492 tokens
/llms-full.txt
575,166 tokens
AI & Machine Learning
MealByMeal

/llms.txt
517 tokens
SaaS & Products
Prisma

Build, fortify, and grow your application easily with an intuitive data model, type-safety, automated migrations, connection pooling, caching, and real-time database subscriptions.

/llms.txt
56,076 tokens
/llms-full.txt
2,407,713 tokens
Developer Tools
Jazz

/llms.txt
42,562 tokens
/llms-full.txt
61,800 tokens
Websites
WXT

WXT provides the best developer experience, making it quick, easy, and fun to develop web extensions. With built-in utilities for building, zipping, and publishing your extension, it's easy to get started.

/llms.txt
100,707 tokens
Developer Tools
RankScale.ai

Rankscale is a GEO (Generative-Engine-Optimization) tool to track, analyze and optimize brand visibility on AI search engines like Perplexity, ChatGPT & AI Overviews.

/llms.txt
804 tokens
/llms-full.txt
2,715 tokens
SaaS & Products
Manifestly Checklists

Manifestly Checklists helps teams automate recurring workflows, SOPs, and checklists. Get work done efficiently with our no-code & low-code automation.

/llms.txt
1,198 tokens
/llms-full.txt
9,470 tokens
SaaS & Products
OpenRouter

A unified interface for LLMs. Find the best models & prices for your prompts

/llms.txt
1,717 tokens
/llms-full.txt
67,658 tokens
AI & Machine Learning
Demo Time

Script your coding demos to perfection with this VS Code extension - no typos, no missteps, just flawless, stress-free presentations every time.

/llms.txt
1,763 tokens
Developer Tools
Front Matter

Headless CMS running in Visual Studio Code that helps managing your static sites. Supports Hugo, Jekyll, Docusaurus, NextJs, Gatsby, and more.

/llms.txt
1,681 tokens
Developer Tools
Drizzle ORM

Drizzle ORM is a lightweight and performant TypeScript ORM with developer experience in mind.

/llms.txt
3,749 tokens
/llms-full.txt
273,555 tokens
Developer Tools
DevHub

/llms.txt
2,060 tokens
SaaS & Products
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AI SEO and llms.txt: Why This Matters Right Now

If you've been working in SEO or digital marketing for a while, you've probably noticed how quickly things are shifting. Google updates used to be the big worry. Now? It's AI search engines like Perplexity or even when someone asks ChatGPT about your brand. More and more people are asking AI instead of Googling — especially for anything research-heavy.

The tricky part is that these systems don't crawl the web like Google does. They need a little help. That's where llms.txt comes in — it's a simple file that tells AI systems what your site is about and how they can use it.

Why Add Another File?

I'll be honest: the first time I heard about llms.txt, I thought, “Great, another SEO thing to keep track of.” But after digging in, it started making sense.

  • Perplexity AI pulls answers directly from sources. If your site has an llms.txt file, you have a better shot at being one of those sources.
  • Developers I know have tested it with Anthropic's Claude and noticed the model "respects" those signals more than raw scraping.
  • A mid-sized SaaS company we checked saw a 15% bump in organic traffic from AI search mentions after adding llms.txt.

It's not magic, and it won't replace your usual SEO strategy like link building or keyword research. But it fills a gap that old tools like robots.txt just weren't built for. Plus, it helps AI systems find and cite your content instead of ignoring it.

How It Fits Into Real SEO Workflows

If you're already managing Google Search Console, publishing content, or optimizing pages, adding llms.txt is a low-lift task.

Think of it like this:
SEO optimization → tells Google what to index.
llms.txt optimization → tells AI what’s safe and useful to learn from.

The nice thing is, it also saves time. Instead of answering the same “Can AI use my site?” question in endless ways, you set the rules once.

A Quick Tangent on Content Creation

One interesting side effect: I’ve seen writers and creators start using their own llms.txt files almost like a portfolio. Instead of just hoping AI systems cite them, they’re structuring their best content to be “AI-ready.”

It reminds me a bit of when sitemaps first started gaining traction — at first, only the technical folks cared. Then marketers realized it gave them more control. I think llms.txt is on that same path.

Getting Started Without Overthinking It

  1. Create a plain text file named llms.txt.
  2. Add a few clear lines about what AI can or can’t use.
  3. Upload it to your site’s root directory (just like robots.txt).

That’s it. No special tool required — though there are free generators if you’d rather not hand-write it.

Will it solve every AI SEO challenge? Probably not. But it’s one of those small, forward-looking moves that could pay off, especially as AI-driven search keeps growing.

Next Step

If you already have llms.txt set up, consider submitting your site to our directory. And if not, maybe block 15 minutes this week to try it out. Worst case, you’ll learn something new. Best case, you’ll get your content positioned for the future of search engine optimization.

Frequently Asked Questions About llms.txt

What is llms.txt?

llms.txt is a plain text file placed in a website's root directory that provides structured information to AI language models about how to use and cite the site's content. Similar to robots.txt for web crawlers, llms.txt is specifically designed for AI systems like ChatGPT, Perplexity, Claude, and Gemini.

How do I create an llms.txt file?

Create a plain text file named llms.txt in your website's root directory (accessible at yoursite.com/llms.txt). Include a clear description of your site, main content areas, AI usage guidelines, and contact information. Keep it under 2,000 tokens for the standard file, and use llms-full.txt for comprehensive documentation.

Does llms.txt improve SEO?

Yes. llms.txt improves AI SEO (also called GEO — Generative Engine Optimization) by helping AI search engines like Perplexity, ChatGPT Search, and Google AI Overviews understand and cite your content. Sites with llms.txt implementations have reported up to 15% increases in organic traffic from AI-driven search.

What is the difference between llms.txt and llms-full.txt?

llms.txt is a concise overview of your site (recommended under 2,000 tokens) covering essential information. llms-full.txt is an optional extended version with comprehensive documentation, detailed API specs, and extensive content. Think of llms.txt as an executive summary and llms-full.txt as the full report.

View all frequently asked questions →