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codex - 💡(How to fix) Fix Codex Desktop Automations cannot use Browser Use plugin [1 comments, 2 participants]

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openai/codex#19766•Fetched 2026-04-28 06:37:32
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What version of the Codex App are you using (From “About Codex” dialog)?

Version 26.422.30944 (2080)

What subscription do you have?

Plus

What platform is your computer?

Darwin 25.3.0 arm64 arm

What issue are you seeing?

The requested @browser-use path is blocked in this session. I attempted to initialize the in-app browser backend and got: No Codex IAB backends were discovered

What steps can reproduce the bug?

Create an automation with prompt "@Browser Use Open google.com and search for openAI return me first 10 result summary" and execute it in local

What is the expected behavior?

Codex should be able to open the in-app browser and do the work

Additional information

<img width="1115" height="685" alt="Image" src="https://github.com/user-attachments/assets/48d63fd6-d3d3-47d0-840b-8c1d8defd86a" />

extent analysis

TL;DR

The issue may be resolved by checking the configuration or permissions related to the in-app browser backend.

Guidance

  • Verify that the in-app browser backend is properly configured and enabled for the Plus subscription.
  • Check the system logs for any error messages related to the in-app browser backend discovery.
  • Ensure that the automation script is correctly formatted and the @browser-use path is valid.
  • Review the additional information provided, such as the image, for any clues about the issue.

Notes

The issue may be specific to the Darwin platform or the Version 26.422.30944 of the Codex App, and further investigation is needed to determine the root cause.

Recommendation

Apply workaround: Check the configuration and permissions related to the in-app browser backend, as this is the most likely cause of the issue.

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#authentication issue#prompt issue#agent setup#task chaining#parallel task

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codex - 💡(How to fix) Fix Codex Desktop Automations cannot use Browser Use plugin [1 comments, 2 participants]