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Monty can be used from Python, JavaScript/TypeScript, or Rust. Choose the installation method for your preferred language.

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Python

1

Install with uv (recommended)

uv add pydantic-monty
2

Or install with pip

pip install pydantic-monty

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Verify Installation

Verify your Python installation by running a simple script: 
import pydantic_monty

# Create a simple interpreter
m = pydantic_monty.Monty('1 + 2')
result = m.run()
print(result)
# Output: 3

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JavaScript / TypeScript

1

Install with npm

npm install @pydantic/monty
2

Or install with yarn

yarn add @pydantic/monty
3

Or install with pnpm

pnpm add @pydantic/monty

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Verify Installation

Verify your JavaScript installation: 
import { Monty } from '@pydantic/monty'

const m = new Monty('1 + 2')
const result = m.run()
console.log(result)
// Output: 3

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Rust

1

Add Monty to your Cargo.toml

[dependencies]
monty = "*"
2

Run cargo build

cargo build

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Verify Installation

Verify your Rust installation: 
use monty::{MontyRun, MontyObject, NoLimitTracker, PrintWriter};

fn main() {
    let code = "1 + 2";
    let runner = MontyRun::new(
        code.to_owned(),
        "main.py",
        vec![]
    ).unwrap();
    
    let result = runner.run(
        vec![],
        NoLimitTracker,
        &mut PrintWriter::Stdout
    ).unwrap();
    
    println!("Result: {:?}", result);
    // Output: Result: Int(3)
}

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System Requirements

Monty runs on all major platforms and architectures.

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Supported Platforms

  • Linux: x86_64, aarch64
  • macOS: x86_64 (Intel), aarch64 (Apple Silicon)
  • Windows: x86_64
  • WASM: wasm32-wasip1-threads (JavaScript only)

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Minimum Requirements

Python

Python 3.10 or higher

Node.js

Node.js 10.0.0 or higher

Rust

Rust 1.70 or higher

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Package Sizes

Monty is designed to be lightweight and fast to install.
PackageSize
Python (pydantic-monty)~4.5 MB
JavaScript (@pydantic/monty)~12 MB
Rust (source)Varies by features

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Next Steps

Quickstart Guide

Learn the basics with a hands-on quickstart

Core Concepts

Dive deeper into Monty’s features

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