Browser Use on MacOS failing with sandboxPolicy missing field
Open 💬 2 comments Opened Jun 20, 2026 by wattsset98
What version of the Codex App are you using (From “About Codex” dialog)?
26.616.41845
What subscription do you have?
Business
What platform is your computer?
MacOS Tahoe 26.5.1
What issue are you seeing?
When calling the in-app Codex browser I get the following error. I have restrated the app and re-installed the in-app browser.
tool call error: tool call failed for node_repl/js
Caused by:
Mcp error: -32602: js: codex/sandbox-state-meta: missing field sandboxPolicy
What steps can reproduce the bug?
Using the @browser command and asking the software to visit a website. The system fails and uses the on-computer browser.
What is the expected behavior?
Opens a browser in the codex app.
Additional information
_No response_
This issue has 2 comments on GitHub. Read the full discussion on GitHub ↗