OpenAI Codex team fixes the OpenClaw authentication vulnerability, and the behavior of OpenAI model Agents has been greatly improved.

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ME News message: On April 23 (UTC+8), according to Beating monitoring, the OpenAI Codex team is concentrating on optimizing the experience of the OpenAI model in OpenClaw. Codex engineering lead Tibo Sottiaux said the team is working with OpenClaw creator Peter Steinberger, and more progress is expected next week.

Codex product lead Nik Pash found a critical issue during debugging: when configuring OpenClaw to use the Codex harness with the OpenAI model, the authentication process is malfunctioning. The system silently falls back to the Pi harness, causing users to believe the Codex harness is working normally when it actually isn’t.

Pash submitted two PRs: one to fix the authentication bridge and the other to prevent silent fallback. The difference in agent behavior before and after the fix is significant. When using the Pi harness, the agent only performs shallow polling on each heartbeat: it reads the heartbeat file, checks Discord, returns HEARTBEAT_OK, ignores other instructions, and sometimes infers that an action should be taken but does not make tool calls.

After switching to the Codex harness, the agent enters a full operating loop: it reads the workspace context, parses the task list, checks the repository, performs edits, attempts verification, and subsequent heartbeats can carry forward progress rather than repeating work. Pash said the agent’s prompt and the upper-layer workflow logic were unchanged; the improvement came entirely from switching the underlying runtime adapter (harness), meaning the way OpenClaw communicates with the model API changed.

(Source: BlockBeats)

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