llms-txt-ruby

https://github.com/mensfeld/llms-txt-ruby

A Ruby tool for transforming existing markdown documentation into AI-friendly formats following the llms.txt standard. Features include: generating llms.txt files from documentation directories with automatic file prioritization, transforming individual markdown files by expanding relative links to absolute URLs, and bulk transforming entire documentation trees with customizable exclusion patterns. Provides both CLI and Ruby API with configuration file support.