Code Graph

About

Code Graph provides a self-contained, lightweight code graph for TypeScript and Python projects, designed for integration with agentic clients like Claude Desktop, Cursor, and OpenAI Agents. It eliminates the need for heavyweight indexers by parsing code with standard tools, extracting symbols and their relationships, and storing them in a simple JSON format. The built-in MCP server exposes powerful query capabilities, allowing AI agents to resolve symbols, trace references, identify related code, analyze impact from diffs, and stream code snippets for context.

Key Features

• Ingests TypeScript (via compiler API) and Python (via `ast` module) without requiring a build step.
• Extracts symbols (functions, classes, methods, variables, modules) and edges (import, call, member_of, defines) to form a code graph.
• MCP server provides tools for fuzzy symbol lookup (`graph.resolve_symbol`), inbound references (`graph.references`), and k-neighbors (`graph.related`).
• Offers `graph.impact_from_diff` to calculate the impact of code changes from a patch file.
• Exposes a `code://file` resource to stream specific code snippets for AI agent context windows.
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Use Cases

• Empowering AI agents (e.g., Claude Desktop, Cursor, Copilot Studio) with structured, queryable access to project codebase information.
• Analyzing the potential impact of code changes by identifying affected files and their one-hop neighbors from a given patch.
• Providing context-aware code snippets to large language models for better understanding and generation capabilities.