llms-txt.io
Make your docs agent-ready with llms.txt: generate spec-compliant files, validate any file, and keep them current automatically for AI coding assistants like Cursor, Claude Code, and Copilot.
llms-txt.io launched on April 1, 2025 with 8 votes and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Generate LLMS.txt files for your websites, for FREE. Help AI systems better understand your content with the new standard for LLM-friendly documentation.
Spec-compliant llms.txt and llms-full.txt for AI coding assistants like Cursor, Claude Code, and Copilot. Generate free in seconds, or let us keep your files fresh on autopilot. Start free with the generator and validator. Add managed sites and the API when you need files that stay current on their own. Turn any site into spec-compliant llms.txt and llms-full.txt, with AI-written summaries and per-link descriptions. Lint any llms.txt for structure and agent-readiness — by URL or pasted content — with a clear, actionable score. Register a site and we keep its files current automatically — served from a stable URL and pushed to your webhook on every change. Generate and validate from CI or…from llms-txt.io
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