Codex Harness, the underlying execution framework for OpenAI's open-source AI Agent.

OpenAI's open-source AI Agent underlying execution framework, Codex Harness, handles the entire execution loop, including task understanding, memory retention, tool invocation, and human approval. It supports embedding into business systems via CLI, SDK, and app-server. Key features include sandboxed secure execution, native human-in-the-Loop, streaming event transmission, and a model-agnostic architecture.