Understand Anything is an open-source project with 15k+ GitHub stars. It turns any repo into an interactive knowledge graph you can navigate, search, and learn from. It pairs tree-sitter static analysis as ground truth with LLM-generated explanations, so you get real code structure plus readable architecture narratives. Explore codebase maps, guided tours, file-level walkthroughs, and inline code reading. Works with Claude Code, Cursor, and opencode via slash commands. No vendor lock-in.