// Understand codebases
ast-grep0.50.0
⚡A CLI tool for code structural search, lint and rewriting. Written in Rust
Open source Maintained For agents
IN ONE PARAGRAPH
ast-grep is ⚡A CLI tool for code structural search, lint and rewriting. Written in Rust.
Good for: Developers who want their agent (Claude Code, Codex, Cursor…) to understand codebases.
01How to start
- 1Read the official README for requirements and permissions.
- 2Install it from the official package registry:
npm install @ast-grep/clipip install ast-grep-cli - 3Add it to your agent’s MCP config — Claude Code:
claude mcp add; Cursor:.cursor/mcp.json; Codex:~/.codex/config.toml.
02Alternatives & comparison
Compare side by side → graphify Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini ★ 132k serena A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent ★ 31k repomix 📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more. ★ 29k tree-sitter An incremental parsing system for programming tools ★ 27k pyright Static Type Checker for Python ★ 16k
03Related
- ›Hugging Face AI Agents Course · Hugging FaceMultilingual (incl. EN/ZH)
- ›huggingface/agents-course · Hugging FaceEnglish
- ›AI Agents for Beginners · MicrosoftMultilingual (incl. EN/ZH)
- ›Building effective agents · AnthropicEnglish
- ›OpenAI: A practical guide to building agents · OpenAIEnglish
- All tutorials →