GitNexus is an advanced code intelligence engine designed to act as a "nervous system" for AI agents. By indexing entire codebases into a comprehensive knowledge graph, it maps dependencies, call chains, and execution flows, ensuring that tools like Cursor and Claude Code have deep architectural awareness. The platform offers two primary modes: a CLI with Model Context Protocol (MCP) support for seamless integration into developer workflows, and a browser-based Web UI for quick, serverless exploration via WebAssembly. Unlike traditional Graph RAG, GitNexus utilizes precomputed relational intelligence to provide high-confidence impact analysis, multi-file renames, and automated wiki generation, significantly reducing the risk of breaking changes during AI-driven development.