OpenEnv runs agentic RL in Agent Substrate sandboxes

This practical guide explains how to run agentic reinforcement learning by deploying OpenEnv environments inside Agent Substrate sandboxes on Kubernetes. The author details the prerequisites, configuration steps, and worker pool setup required to execute coding tasks securely while isolating untrusted LLM actions. Additionally, the post outlines the setup for a GRPO training job that communicates with sandboxed actors through a secure agentgateway sidecar. Open article →