I read 179 real messages between parallel Claude Code sessions: the channel is almost never used to ask for things, but to tell the other one something true about their own work. Then I built the experiment — and watched one session catch another shipping a release that did not exist.

If you run more than one coding agent at a time, you hit a problem nobody has a settled answer for:...

I read 179 real messages between parallel Claude Code sessions: the channel is almost never used to ask for things, but to tell the other one something true about their own work.…