colbymchenry/codegraph: Pre-Indexed Code Knowledge Graph for Claude Code Gains +161 Stars Today at 1.1K

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CodeGraph builds a local SQLite database mapping functions, classes, imports, and call chains across 19+ programming languages, then exposes them via MCP server for intelligent symbol search, caller/callee tracing, and impact radius analysis. Claims to reduce Claude Code's exploration tool calls by 94%. Includes automatic file watching with OS-level event detection and framework-aware routing detection for 13+ web frameworks (Django, Flask, Express, Rails). Entirely local, no external APIs.