monty
A minimal, secure Python interpreter written in Rust for safely executing AI-generated code with microsecond startup times.
What is monty?
Monty is a minimal, secure Python interpreter written in Rust, designed specifically for safely executing Python code generated by AI agents. It provides a sandboxed environment that blocks all host environment access by default, enabling fast and controlled execution of LLM-produced scripts without the overhead of container-based solutions.
Developers building AI agents or applications that need to securely run Python code generated by large language models (LLMs), particularly those using frameworks like Pydantic AI, Claude's programmatic tool calling, or Cloudflare's Codemode.
Developers choose Monty for its combination of microsecond startup times, strict security sandboxing, and the ability to snapshot and serialize interpreter state, which are not typically available together in alternatives like Docker, Pyodide, or direct Python execution.
Overview
A minimal, secure Python interpreter written in Rust for use by AI
Use Cases
Best For
- Securely running Python code generated by AI agents within an application, without using containers.
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