code-to-tree

Universal Code-to-AST MCP Server for LLM Integration

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code-to-tree is an MCP (Model Context Protocol) server that enables large language models to accurately convert source code into abstract syntax trees (AST) across multiple programming languages. It provides a standalone executable that integrates with MCP clients, ensuring seamless parsing using the tree-sitter framework. The server supports languages including C, C++, Rust, Ruby, Go, Java, and Python, with minimal dependencies required. Its design focuses on ease of setup and integration in AI workflows requiring code analysis capabilities.

Key Features

Converts source code to abstract syntax trees (AST)

Implements Model Context Protocol (MCP) server

Stand-alone binary with minimal dependencies

Supports multiple programming languages (C, C++, Rust, Ruby, Go, Java, Python)

Integrates with MCP clients like Claude

Leverages tree-sitter for robust parsing

Cross-platform support (Windows, macOS)

Easy configuration for popular AI model clients

Includes sample configurations and screenshots

Designed for high accuracy and versatility

Use Cases

Automated code analysis for large language models

Facilitating context-aware code understanding in AI systems

Providing AST conversion services to AI applications

Streamlining code-to-AST transformations during language model inference

Assisting in code summarization and refactoring tasks

Supporting educational tools in parsing and understanding code structure

Aiding static analysis tools requiring ASTs as input

Enhancing code review workflows powered by AI

Improving explainability of code for AI-driven platforms

Enabling research on language-agnostic code representation

MCP Server: code-to-tree

The code-to-tree server's goals are:

Give LLMs the capability of accurately converting source code into AST(Abstract Syntax Tree), regardless of language.
One standalone binary should be everything the MCP client needs.

These goals imply:

The underlying syntax parser should be versatile enough. Here we choose tree-sitter, and languages are: C, C++, Rust, Ruby, Go, Java, Python.
The server should be able to carry all capabilities within itself, imposing minimum software dependencies on the end user's machine. Here we choose mcpc.

Screenshots:

The above screenshots are obtained by asking the question specified in q.md.

(IMPORTANT NOTE: LLMs have no responsibility of generating the identical result for the same question, you will likely get a completely different style or content. The screenshots or questions provided here are just for the reference)

Using code-to-tree

Before everthing, you need to have the code-to-tree executable on your machine (code-to-tree.exe for Windows, code-to-tree for macOS), you can download at GitHub release page or build it yourself. Once downloaded, you configure your MCP clients to install it, check the section "Configure MCP Clients" for more details.

Configure MCP Clients

Here we use Claude as the example.

Windows

In your Claude configuration (C:\Users\YOUR_NAME\AppData\Roaming\Claude\claude_desktop_config.json), specify the location of code-to-tree.exe:

{
    "mcpServers": {
	    "code-to-tree": { "command": "C:\\path\\to\\code-to-tree.exe" }
    }
}

macOS

In your Claude configuration, (~/Library/Application Support/Claude/claude_desktop_config.json) specify the location of code-to-tree

{
    "mcpServers": {
	    "code-to-tree": { "command": "/path/to/code-to-tree" }
    }
}

Building (Windows)

1. Prepare environment

download & install MSYS2.
open application "MSYS2 MINGW64"
run pacman -S make gcc git

2. Prepare tree-sitter libraries

Here we need to compile and install tree-sitter and all related grammars.

Clone them:

git clone https://github.com/tree-sitter/tree-sitter

git clone https://github.com/tree-sitter/tree-sitter-c

git clone https://github.com/tree-sitter/tree-sitter-cpp

git clone https://github.com/tree-sitter/tree-sitter-rust

git clone https://github.com/tree-sitter/tree-sitter-ruby

git clone https://github.com/tree-sitter/tree-sitter-go

git clone https://github.com/tree-sitter/tree-sitter-java

Compile and install them:

cd tree-sitter && OS=1 make install

cd tree-sitter-c && OS=1 make install

cd tree-sitter-cpp && OS=1 make install

cd tree-sitter-rust && OS=1 make install

cd tree-sitter-ruby && OS=1 make install

cd tree-sitter-go && OS=1 make install

cd tree-sitter-java && OS=1 make install

3. Build code-to-tree

Install mcpc:

git clone https://github.com/micl2e2/mcpc
cd mcpc && make install

Compile code-to-tree:

cd mcpc/example/code-to-tree

CFLAGS="-I/usr/local/include -L/usr/local/lib" make

# Check the binary
file code-to-tree.exe

# Remember the binary's location
pwd
# Assume the output is: /c/path/to/code-to-tree.exe

Building (macOS)

1. Prepare environment

Xcode Command Line Tools

2. Prepare tree-sitter libraries

Here we need to compile and install tree-sitter and all related grammars.

Clone them:

git clone https://github.com/tree-sitter/tree-sitter

git clone https://github.com/tree-sitter/tree-sitter-c

git clone https://github.com/tree-sitter/tree-sitter-cpp

git clone https://github.com/tree-sitter/tree-sitter-rust

git clone https://github.com/tree-sitter/tree-sitter-ruby

git clone https://github.com/tree-sitter/tree-sitter-go

git clone https://github.com/tree-sitter/tree-sitter-java

Compile and install them:

cd tree-sitter && make install

cd tree-sitter-c && make install

cd tree-sitter-cpp && make install

cd tree-sitter-rust && make install

cd tree-sitter-ruby && make install

cd tree-sitter-go && make install

cd tree-sitter-java && make install

3. Build code-to-tree

Install mcpc:

git clone https://github.com/micl2e2/mcpc
cd mcpc && make install

Compile code-to-tree:

cd mcpc/example/code-to-tree

make

# Check the binary
file ./code-to-tree

# Remember the binary's location
pwd
# Assume the output is: /path/to/code-to-tree

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Repository Owner

micl2e2

User

Repository Details

Language C

Default Branch master

Size 580 KB

Contributors 1

License MIT License

MCP Verified Nov 11, 2025

Programming Languages

90.4%

Makefile

9.6%

Topics

abstract-syntax-tree agentic ast claude dependency-free llm mcp mcp-server mcp-tools no-runtime-dependencies runtime-free syntax-analysis syntax-tree tree-sitter

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code-to-tree

Key Features

Use Cases

README

Table of Contents

MCP Server: code-to-tree

Using code-to-tree

Configure MCP Clients

Windows

macOS

Building (Windows)

1. Prepare environment

2. Prepare tree-sitter libraries

3. Build code-to-tree

Building (macOS)

1. Prepare environment

2. Prepare tree-sitter libraries

3. Build code-to-tree

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