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Public story · 2026-03-11 · source-backed

Pydantic Monty — Secure Python Sandbox in Rust (6.2K stars)

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Story

Minimal secure Python interpreter written in Rust, purpose-built for executing AI-generated code safely. Microsecond startup (vs hundreds of ms for containers). Blocks filesystem, env vars, and network unless explicitly granted. Will power "code mode" in Pydantic AI. The architecture is exactly right for making agent systems safe. GitHub

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2026-03-11-pydantic-monty-secure-python-sandbox-in-rust-6-2k-stars
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source-backed, canonical briefing excerpt