GitNexus
GitNexus: The Zero-Server Code Intelligence Engine - GitNexus is a client-side knowledge graph creator that runs entirely in your browser. Drop in a git repository (Github, Gitlab, Azure, Local) or ZIP file, and get an interactive knowledge graph with a built in Graph RAG Agent. Perfect for co
GitNexus is an MCP server that builds comprehensive knowledge graphs of codebases, enabling AI agents to understand code architecture, dependencies, and execution flows. It indexes repositories using Tree-sitter AST parsing and provides 17 MCP tools for querying symbols, tracing call chains, analyzing impact, and detecting changes across 15+ languages. The server supports multiple indexed repositories simultaneously and automatically installs agent skills for Claude Code, Cursor, Antigravity, Codex, and other editors through a single setup command.
Key Features
Use Cases
- 01Pre-commit impact analysis to understand blast radius before making code changes
- 02Tracing bugs through complex call chains across multiple files and modules
- 03Safe refactoring with dependency mapping and multi-file coordinated renames
- 04Understanding unfamiliar codebases by querying architectural clusters and execution flows
- 05API impact analysis to validate changes against downstream consumers
- 06Cross-repository service dependency tracking in microservice architectures
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GitNexus — FAQ
What is GitNexus?+
GitNexus is an MCP server that builds knowledge graphs of codebases and exposes 17 tools for AI agents to query code structure, dependencies, call chains, and execution flows. It runs entirely locally with no network calls.
How do I install and connect GitNexus to my AI editor?+
Run 'npx gitnexus analyze' in your repository root to index the codebase, then run 'npx gitnexus setup' to auto-detect and configure MCP for Claude Code, Cursor, Codex, or other supported editors. The setup command writes the global MCP config and installs agent skills automatically.
Which AI clients work with GitNexus?+
GitNexus has full support (MCP + skills + hooks) for Claude Code, Cursor, Antigravity, and Codex. It also supports MCP-only integration with OpenCode, CodeBuddy, Qoder, and Windsurf.
Do I need API keys or external services?+
No API keys are required for core functionality—everything runs locally. Optional semantic embeddings can use local ONNX models or an external embedding service. Wiki generation requires an LLM API key (OpenAI, Anthropic, MiniMax, etc.).
Is GitNexus free to use?+
GitNexus OSS is released under the PolyForm Noncommercial license, free for personal and non-commercial use. Commercial use requires licensing or the Enterprise offering (SaaS or self-hosted).
What languages does GitNexus support?+
GitNexus supports 15+ languages including TypeScript, JavaScript, Python, Java, Kotlin, C#, Go, Rust, PHP, Ruby, Swift, C, C++, Objective-C, Dart, and Zig with varying levels of import resolution, heritage tracking, and type inference.
How do I install GitNexus?+
Open the source repository on GitHub and follow its README. GitNexus is a mcp server — MCP Agents Market links you directly to the official repo.
Is GitNexus free?+
GitNexus is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.