AST MCP Server

Name: AST MCP Server
Author: angrysky56

@angrysky56

关于 AST MCP Server

By transforming source code into a queryable Semantic Graph and a structured AST, this tool bridges the gap between "reading text" and "understanding structure." For an AI assistant, it provides the "spatial" awareness needed to navigate deep dependencies without getting lost in

#ast #asg #coding #claude #mcp-server

基本信息

分类

其他

许可证

MIT

运行时

python

传输方式

stdio

发布者

angrysky56

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "ast-mcp-server": {
      "command": "uv",
      "args": [
        "sync"
      ]
    }
  }
}

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is AST MCP Server?

AST MCP Server is an MCP (Model Context Protocol) server that provides code structure and semantic analysis capabilities through Abstract Syntax Trees (AST) and Abstract Semantic Graphs (ASG). It supports multiple programming languages (Python, JavaScript, TypeScript, Go, Rust, C/C++, Java) and is compatible with Claude Desktop and other MCP clients.

How to use AST MCP Server?

Requires Python 3.9+ and either uv (recommended) or pip. Clone the repository, run uv sync then uv run build-parsers. Configure Claude Desktop by editing its configuration file and adding an MCP server entry with the absolute path to the server directory. Claude can then use tools like parse_to_ast, generate_asg, analyze_code, etc. to analyze code snippets or local files.

Key features of AST MCP Server

Parse code into Abstract Syntax Trees (AST)
Generate Abstract Semantic Graphs (ASG) from code
Analyze code structure and complexity
Support for multiple programming languages
Incremental parsing for large files
AST diffing to identify code changes
Resource caching for improved performance

Use cases of AST MCP Server

Analyze code structure in any supported language using Claude Desktop
Compare code versions using AST diffing
Cache analysis results for repeated queries
Use incremental parsing for large files
Locate specific nodes in code by line and column

FAQ from AST MCP Server

What languages does AST MCP Server support?

Python, JavaScript, TypeScript, Go, Rust, C, C++, and Java.

Where does data live?

All tool execution happens locally on your machine, with results returned to Claude for interpretation.

How do I configure Claude Desktop?

Edit the Claude Desktop configuration file (located at ~/Library/Application Support/claude-desktop/claude_desktop_config.json on macOS, with similar paths on Linux and Windows) and add the AST MCP server entry with the absolute path to the server directory.

What are the prerequisites?

Python 3.9 or higher and the uv package manager (recommended) or pip.

How do I add support for a new language?

Install the corresponding tree-sitter language package, update the LANGUAGE_MODULES dictionary in build_parsers.py and ast_mcp_server/tools.py, then run uv run build-parsers.

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