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How to run multiple AI coding agents on one Mac without port clashes

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

Running one AI coding agent on a project is easy. Running two or three at once on the same Mac is where it gets messy. I've had Claude Code fixing a bug while Codex worked on a feature in the same repo, and an hour later I found two dev servers on two ports, a branch with both agents' changes mixed…

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  1. 2026-10-21 12:40 · DEV Community — AI
    How to run multiple AI coding agents on one Mac without port clashes

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