Ucn

UCN is a lightweight, open-source code analysis and refactoring toolkit designed for developers. It enables users to understand, trace, and verify codebases from the terminal—without relying on background processes or language servers. UCN helps developers understand unfamiliar code, check call impact, identify dead code, plan refactors, and ensure changes are safe, supporting multiple languages (JavaScript, TypeScript, Python, Go, Rust, Java, HTML scripts). It offers both CLI and optional AI Agent/MCP integration for deeper AI-powered code analysis.