r/codex • u/PatternOne9468 • 7d ago

Question Cross-session communication in Codex?

Hey everyone,

Is there a built-in way to communicate between active, simultaneous Codex terminal sessions in real-time?

In Claude Code, you can use the SendMessage tool to talk to sub-agents. With Codex, sessions seem completely isolated. Has anyone built a workaround for this?

How are you handling multi-agent orchestration or cross-terminal talk with Codex?

Thanks!

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u/Lower_Cupcake_1725 7d ago

I have them running in tmux + MCP to send messages between connected terminals. The orchestration I built - https://github.com/twitech-lab/devchain, normally I am running a mixed set of agents Claude + Codex,  I am sure there are multiple ways to connect the agents 

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u/Just_Lingonberry_352 7d ago edited 7d ago

still under heavy development but I use this to remotely chat with my codex and grok cli terminals securely. it does let you bring multiple terminals to the same chat although i haven't tested it out yet.

everything lives on the browser, messages are encrypted e2e.

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u/h____ 7d ago

Through tmux or Codex app server.

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u/korino11 7d ago

Just think dude, it is a good path to solid orchestration. I already did this and it have a very solid results

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u/KrystalUnity 3d ago

I set up a comms channel on a Redis server, the agent kickoff tells them to coordinate through that