Isol8 provides a secure, isolated environment for AI agents to execute code across multiple runtimes. It allows for the safe execution of untrusted Python, Node.js, Bun, Deno, and Bash code within locked-down Docker containers, featuring network filtering, resource limits, and controlled output. Developers building AI agents can leverage Isol8 to enhance security by preventing malicious code from impacting host systems, while also benefiting from features like real-time output streaming, a warm container pool for low-latency execution, and on-the-fly package installation. This tool is designed for AI developers and researchers who need a robust and controllable sandbox for their agents to interact with code without compromising system integrity.