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Last Updated: 09-08-2026
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GitNexus

GitNexus turns any codebase into an interactive knowledge graph that maps every dependency, call chain, functional cluster, and execution flow, giving AI coding assistants the deep structural awareness they need to stop breaking things. Drop a repository URL or ZIP file into the browser-based explorer and watch Tree-sitter parsers decompose your code into a navigable property graph you can zoom, click, and query. The MCP server integrates directly with Cursor, Claude Code, Codex, Antigravity, and other editors through 16 specialized tools covering architectural queries, impact analysis, safe multi-file renames, change detection, and cross-repo contract matching. Need to know the blast radius before touching a shared utility? The impact analyzer traces every caller, implementer, and downstream consumer in milliseconds. Teams reviewing pull requests get automated blast-radius annotations powered by the same graph. The registry architecture lets a single MCP server manage multiple indexed repositories simultaneously, so switching between projects requires zero re-indexing. For visual exploration, the web interface renders interactive community-clustered graphs where you can trace execution paths, browse file trees, and chat with an AI agent grounded in the graph's structural data rather than raw file snippets. Everything runs locally; your source code never leaves the machine. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. PolyForm Noncommercial 1.0.0 licensed.

GitNexus
GitNexus
GitNexus
GitNexus
GitNexus

Benefits

  • Deep Codebase Understanding for AI
  • Indexes every import, function call, class inheritance, and dependency relationship into a queryable graph so AI agents see architecture, not just file snippets. Transforms LLM accuracy for refactoring tasks.
  • Instant Blast Radius Analysis
  • Traces all callers, implementers, and downstream consumers of any symbol to show exactly what breaks before you commit. Runs impact checks in milliseconds on the local graph database.
  • Zero Data Leaves Your Machine
  • All indexing, parsing, and graph construction happen locally using Tree-sitter native bindings and LadybugDB. No repository data is sent to external servers, keeping proprietary code fully private.
  • One Server, Many Repositories
  • The registry architecture manages multiple indexed repositories from a single MCP server instance. Switch between projects without re-indexing, and serve shared context to all connected editors simultaneously.

Features

  • Knowledge Graph Builder
  • Tree-sitter parses source code into a property graph of functions, classes, imports, call chains, and execution flows stored in LadybugDB for fast traversal.
  • MCP Server Integration
  • Provides 16 specialized tools via Model Context Protocol for Cursor, Claude Code, Codex, and Antigravity including query, context, impact, rename, and contract matching.
  • Visual Graph Explorer
  • Browser-based interface renders interactive community-clustered graphs with zoom, click navigation, file tree browsing, and AI chat grounded in structural graph data.
  • PR Blast Radius Review
  • Automated pull request analysis traces changed symbols through the dependency graph to annotate exactly which modules, callers, and consumers a PR affects.
  • Multi-Repo Registry
  • One MCP server serves all indexed repositories. Supports cross-repo contract matching to detect interface changes that break dependent projects.