2026-04-08 13:04:10

Create a tool with Codex that sends messages to Codex running in iTerm. The tool was built, but it can only write messages to the input box and cannot send them. I tried various string concatenations like "\r" and other combinations, but none worked.

Then I looked into iTerm's source code and searched online, and ultimately concluded that it's not possible.
iTerm's API only allows sending text; it cannot directly send keyboard events, so sending messages automatically isn't feasible. I was advised to only support tmux and give up on iTerm.
But I didn't give up. I experimented a few more times and found that after sending the text, sending a separate "\r" can trigger the message to send.

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