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Caio's Stuff

Thoughts on software, systems, and technology

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Creating a Lua sandbox for my LLM tool

I'm building a tool to give LLMs a Lua REPL . My goal is to make it safe by design, so I had to build a sandbox around it. This post is about how I built this, what I learned, and the final result. Note: Security is not my specialty. I'm trying to build something safe by design, and researching/learning as I do it. If you spot anything wrong or just weird, let me know ! What is a…

Code Execution for LLMs: A Better Approach Than Tool Calls

This is the first post in a series about onetool . The second post dives deeper into how I built the Lua sandbox . As part of this year's goals, I decided to invest a lot more time into learning and using AI tools. I'm very skeptical about AI and find it hard to cut through the hype, so I wanted to make sure I'm keeping my bias in check and not missing out on anything really…