Simon Willison Tests Monty Sandboxed Python in Rust
On May 22, 2026, Simon Willison took another look at Monty, a Rust-based sandboxed version of Python, utilizing Claude Code to assess its most recent update. He verified that the settings for max_duration_secs, max_memory, max_allocations, and max_recursion_depth operate as intended. Additionally, Willison provides a curated email summary of significant LLM advancements for a monthly sponsorship fee of $10.
Key facts
- Monty is a sandboxed subset of Python implemented in Rust.
- Simon Willison used Claude Code to examine the most recent release.
- Settings max_duration_secs, max_memory, max_allocations, and max_recursion_depth work as advertised.
- The post was published on 22nd May 2026.
- Sponsorship at $10/month provides a curated email digest of LLM developments.
Entities
Institutions
- Simon Willison
- Claude Code