Writing log70 posts286 tagslatest Jun 4, 2026
Code-intelligence.
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CodeGraph Architecture Analysis: How Is the Code Intelligence Layer Beneath Coding Agents Built?
CodeGraph is a TypeScript tool that uses tree-sitter to parse source code, builds a local SQLite knowledge graph of symbols, edges, and files (with FTS5), and exposes that graph via an MCP server to coding agents like Claude Code, Cursor, Codex, and Hermes Agent. Instead of burning tokens navigating a codebase with grep/Read calls, agents get answers from a single codegraph_explore invocation. This post analyzes the architecture that makes that possible.