OpenAI Launches Agents API: Hosted Codex Harness for Building Agents

OpenAI · youtube · 2026-09-11

OpenAI officially released the Agents API, bringing a hosted version of the Codex harness to applications. The launch video demos building an agent that investigates production incidents, connects to tools via MCP, follows a runbook, and delivers a shareable report with evidence and suggested next steps. Docs at developers.openai.com.

Related event: OpenAI Launches Agents API Beta with Managed Sandboxes(13 posts)→

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