Observed arrival · 2026-10-10

cmux makes coding-agent work visible in the terminal

cmuxcode.com Visit website

Editorial interest 80/100 Selection signal · not a rating of the site

A free, open-source macOS terminal designed to organize coding agents, their output, and related browser work.

Landing page captured for the 2026-10-10 issue.

For: macOS developers running terminal-based coding agents
Worth noticing: Notifications can arrive through OSC 9/99/777 escape sequences, agent hooks, or cmux's own CLI.

Field notes

The documentation describes several ways for processes to get a developer's attention: pane rings, sidebar badges, a notification popover, and macOS notifications. The site says agents can trigger these through standard terminal escape sequences, hooks, or the cmux CLI. It also describes remote workspaces over SSH and a built-in browser that can be operated through the same socket API.

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○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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