H3 llms.txt
Browse H3 documentation as markdown. Click any page in the sidebar to view it, or copy the full llms.txt for your AI tools.
What is H3's llms.txt?
H3 publishes an /llms.txt file that provides AI systems with a structured index of its documentation. It follows the llms.txt specification, organizing links to guides, API references, and tutorials under section headings so that LLMs like ChatGPT, Claude, and Gemini can quickly understand what H3 offers and where to find details.
Sections: Documentation Sets · Content
Add H3 Docs to Your AI Assistant
Select your tool to see how to add H3's llms.txt as a documentation source.
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Open any chat or composer panel
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Type @Docs and select "Add new doc"
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Paste the URL: https://h3.dev/llms.txt
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Wait for the green dot (indexing complete)
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Reference @Docs in chat when asking about H3
Cursor crawls the URL and indexes all subpages. Add a trailing slash to index child pages too.
Frequently Asked Questions
H3 publishes its llms.txt at https://h3.dev/llms.txt. This file provides a structured, markdown-formatted index of H3's documentation that AI systems can consume to understand the project's APIs, guides, and references.
Copy the llms.txt content and paste it into your AI assistant (Cursor, Windsurf, Claude, ChatGPT) as context. This gives the AI an accurate map of H3's documentation so it can provide better code suggestions and answers about H3.
H3's llms.txt contains 2 sections and 33 documentation links in 3.4 KB (~863 tokens). Key sections include Documentation Sets, Content.
The concise llms.txt index is approximately 863 tokens (3.4 KB). Most AI assistants can fit this within their context window. For the full expanded documentation, look for an llms-full.txt variant which embeds all content inline.
Minimal H(TTP) framework built for high performance. H3's llms.txt file helps AI systems understand this by providing a structured overview of its documentation, making it easier for developers to get accurate AI-assisted help when working with H3.
Yes. Use the free llms.txt generator at mdream.dev/tools/llms-txt/generator to crawl your site and produce a spec-compliant llms.txt file. You can also validate existing files with the llms.txt validator.