Codex freezes when starting MCPs
Open 💬 2 comments Opened Mar 13, 2026 by gmmeyer
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of Codex CLI is running?
0.114.0
What subscription do you have?
Pro
Which model were you using?
gpt-5.4
What platform is your computer?
Darwin 25.3.0 arm64 arm
What terminal emulator and version are you using (if applicable)?
ghostty
What issue are you seeing?
the MCPs starting will sometimes break codex startup and the CLI will freeze, and the only way to kill it is to background it and kill %1, or to kill the tab
What steps can reproduce the bug?
Uploaded thread: 019ce8e0-e365-7030-8daf-dd5d5131ef69
What is the expected behavior?
it doesn't freeze
Additional information
_No response_
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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also this issue: 019cfce6-b0f8-7913-8ec7-aa155907fb15