OpenAI releases open-source Codex harness to integrate agents into existing tools
OpenAIDevs · x · 2026-08-20
OpenAI has released an open-source Codex harness designed to help teams integrate AI agents into their existing tools, ranging from internal apps to operations dashboards. This architecture allows applications to control the interface, context, tools, and approvals, while the harness specifically handles the agent loop logic.
Related event: OpenAI Open-Sources Codex Harness; Tax Pilot Cuts Prep Time by a Third(3 posts)→
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