Announcing llm-docs-builder: An Open Source Tool for Making Documentation AI-Friendly

Simon Willison has released llm-docs-builder, an open-source tool that transforms Markdown documentation to make it AI-friendly by stripping 85-95% of noise from HTML versions. The tool preserves hierarchical context, removes semantic noise, and generates llms.txt index files to help AI systems like ChatGPT and Claude better understand documentation without processing unnecessary HTML markup, CSS, and JavaScript. This optimization reduces RAG system costs and improves AI response accuracy by allowing systems to focus on content rather than formatting code.