llmstxt.workEvery llms.txt worth knowing about. In one place.
1496+ implementations and counting. Vercel AI SDK, Vercel, Stripe already showed up. If your site isn't here yet, that's on you.
The llms.txt standard is taking off. This is where you see it happening.
llms.txt is an open standard that tells AI search engines — ChatGPT, Claude, Perplexity, Gemini — what your website is about. A simple markdown file at /llms.txt gives AI a structured map of your content, services, and documentation. Think of it as robots.txt for AI.
1496+ companies have already adopted it. The average implementation has 17 sections and 1029 lines — but the best ones go far beyond that. This directory tracks every public llms.txt we can find, analyzes its structure, and shows you who's taking AI discoverability seriously.
The average llms.txt has 17 sections and 1029 lines — see who's going above and beyond.
Showing 29 of 1496
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Centro Desintoxicación Valencia offers specialized treatment for alcohol and cocaine addiction, with expert psychologists dedicated to your recovery.
@doc-version-notes: Some features may have extended or refined behavior in minor or patch releases
> CG艺术实验室（cgartlab.com）是一个专注于数字艺术、视觉设计、技术分享和知识管理的个人博客。致力于为数字艺术爱好者、专业设计师和初学者提供最新、最全面的资讯、教程、作品展示以及设计思考。
ChainDrive offers a comprehensive ERP and omnichannel retail management solution, empowering businesses to thrive in today's competitive retail landscape.
Chainspect tracks blockchain fundamentals, offering insights on TPS, finality, and block time across 50+ blockchains to enhance your Web3 experience.
Showcasing the work of a Design Engineer, chanhdai.com features a polished portfolio, project highlights, and insights into experience and achievements.
from llmstxt.studioDon't just browse. Check yours.
700+ companies know where they stand. Do you?
ChatBot® is a digital tool designed to simulate human conversation, often through text-based interactions. It can be powered by AI and handle user queries, a...
ChatBotKit enables developers to create sophisticated conversational AI applications through a comprehensive suite of tools and APIs. The platform supports n...
Important notes: - Checkly is a synthetic monitoring platform designed for developers and DevOps teams
Checkvist is a keyboard-first outliner and task manager that helps you organize complex projects with clarity and speed using hierarchical lists.
Unlock your destiny with the Chinese Astrology Calculator! Discover your Bazi birth chart and gain insights into self-awareness and relationships.
"Discover the art of chocolate making at Chocolate Workshop, where you can craft delicious treats and indulge in hands-on, immersive experiences."
ChrisBallam.com is a comprehensive resource for travelers, photographers, and missionaries seeking practical advice, packing guidance, and inspiration for in...
CircleCI is a cloud-native CI/CD platform that automates build, test, and deployment workflows, enhancing development speed and reliability for software teams.
"CitizenShipper connects you with verified transporters for safe and reliable shipping of pets, vehicles, boats, and household goods at competitive rates."
> Agents call Civic, not tools directly. One secure URL gives any AI agent scoped access to 100+ tools, with runtime guardrails, audit logs, and instant revocat
Сlaspo stands out with (differentiation):
This file provides structured information about the Claude Notes website to help Large Language Models (LLMs) understand its content and purpose.
Clean Group offers professional commercial cleaning services across Australia and New Zealand, using eco-friendly products for diverse facilities.
This file provides navigation links to key pages on www.cleanersapp.com. Each section contains links to related content.
Reinraum, Reinräume, Reinraumzelt, Reinraumzelte, Reinraumkabine, Reinraumkabinen, Sauberraum, Sauberräume, Maschineneinhausung, modulare Reinraumlösung, tex...
> The most comprehensive User Management Platform. Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage y
Clever Cloud offers a seamless PaaS solution for developers, simplifying app deployment and infrastructure management for a hassle-free experience.
Cleverhack.com delivers expert insights on AI advancements, startups, regulations, and strategies, empowering businesses to navigate the evolving AI landscape.
Clodura.ai is a GenAI-powered B2B sales prospecting and engagement platform that combines database access, sales engagement tools, email verification, and bu...
Easily build and deploy full-stack applications everywhere,
From datacenter to cloud to edge, Cloudfleet delivers the Kubernetes experience as it was meant to be. Fully managed control plane, just-in-time infrastructu...
"Cloudinary Documentation offers in-depth guides and resources for leveraging APIs and SDKs to efficiently manage and transform media assets in the cloud."
Featured implementations
View all ranked →Vercel AI SDK
Build a powerful RAG Agent with Vercel AI SDK and Next.js. Unlock seamless chatbot integration and enhance your projects with advanced retrieval features!
Vercel
"Get started with Vercel, the end-to-end platform for developers to effortlessly create and deploy web applications. Boost your productivity today!"
Stripe
Discover Stripe, the leading financial infrastructure provider, enabling businesses to accept payments online and in-person, and streamline revenue models.
Cursor
Cursor is redefining the developer experience with its comprehensive documentation for their innovative tools. From getting started to advanced agent functionalities, they empower developers to integrate cutting-edge AI seamlessly into their workflows, making coding more efficient and intuitive.
Browse by category
developer tools
126Dev tools companies that actually read the spec. Unsurprising.
other
9393 companies in other have shipped an llms.txt.
ecommerce
91E-commerce companies making sure AI recommends their products.
media
71Media companies ensuring AI cites their content.
saas
66Software platforms that live and die by discoverability.
marketing
64Marketing platforms optimizing for every channel — including AI.
+ 23 more categories. Browse all →
Frequently asked questions
What companies use llms.txt?
Over 1496 companies use llms.txt including Vercel AI SDK, Vercel, Stripe and many others across AI, SaaS, developer tools, and infrastructure. The standard is adopted by companies of all sizes — from startups to publicly traded enterprises.
What is an llms.txt file?
An llms.txt file is a markdown document placed at /llms.txt that helps AI language models like ChatGPT, Claude, and Gemini understand your website's structure, services, and content. It acts like a robots.txt but for AI — giving AI search engines a clear map of what your site offers.
How do I create an llms.txt file?
You can generate a spec-compliant llms.txt file in under 60 seconds using llmstxt.studio. Paste your URL, and the tool reads your sitemap to generate a structured markdown file ready for deployment at your site root. Or you can write one manually following the llms.txt spec.
Why does llms.txt matter for SEO?
AI search engines like ChatGPT, Perplexity, and Gemini are increasingly how people discover businesses. An llms.txt file ensures these AI systems accurately understand and recommend your site. It complements traditional SEO with AI optimization — and the 1496+ companies in this directory are already ahead.
About this directory
llmstxt.work is the most comprehensive directory of llms.txt implementations on the internet. We crawl, index, and analyze every public llms.txt file we can find — tracking section counts, line counts, structure patterns, and content quality across 1496+ sites.
Built by llmstxt.studio, the AI readiness platform that helps companies generate, monitor, and optimize their llms.txt files. The directory is updated continuously as new implementations are discovered and submitted.
Want your site listed? Submit it. We review every submission and add sites that have a valid, publicly accessible llms.txt file.
1496+ companies got the memo.
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