mpai

In plain words

mpai is an open-source terminal tool that enables multiple users to share and collaborate within active Codex and Claude Code sessions. Teammates can join an explicitly shared session from another Mac, arriving with full context and ability to prompt with their name attached. Designed for developers working together on AI coding tasks, mpai keeps sessions private via Tailscale while maintaining host control, requiring only a one-time installation and a simple paste to invite collaborators.

written from the facts on this page · September 2026

From the sources

Open-source terminal multiplayer for Codex and Claude Code. Join a teammate's explicitly shared native session from another Mac, arrive with the real context, and prompt with your name attached. Tailscale stays private; the host Mac stays in control.

Open your teammate

Remote control lets you continue your own AI work. mpai lets a named teammate enter the exact Codex or Claude Code conversation already in motion—without changing tools. One host install. One teammate paste. Trace the invite boundary before we cut the alpha. I want direct session IDs to fail closed. I found the access check shared by list, transcript, presence, audit, and prompt routes. The direct-read test is the one missing assertion. + assert.equal(directRead.status, 404) + assert.equal(prompt.status, 404) A Alex via mpai 10:44 Add the test, then run only the server suite. Don’t broaden the sharing default. Product demo One terminal command opens a teammate’s explicitly shared native…from godfaddaai.github.io

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