marmonitor

Name: marmonitor
Author: mjjo16

mjjo16 March 27, 2026

22 copies 0 downloads

tmux status bar monitor for AI coding agents — track Claude, Codex, Gemini sessions in real time

<img src="docs/banner-ansi.png" alt="marmonitor" width="640"> tmux status bar monitor for Claude Code, Codex & Gemini — track AI coding sessions in real time <a href="https://www.npmjs.com/package/marmonitor"><img src="https://img.shields.io/npm/v/marmonitor" alt="npm version"></a> <a href="https://github.com/mjjo16/marmonitor/blob/main/LICENSE"><img src="https://img.shields.io/npm/l/marmonitor" alt="license"></a> <img src="https://img.shields.io/node/v/marmonitor" alt="node version"> <img src="https://img.shields.io/badge/platform-macOS%20%7C%20Linux-blue" alt="platform"> English | <a href="README.ko.md">한국어</a>

Why marmonitor?

Running multiple AI coding agents in tmux is now the norm — Claude Code refactoring your backend, Codex writing tests in another pane, Gemini reviewing docs in a third. But as sessions multiply, you hit the same wall:

You switch to a pane only to find the agent has been waiting for allow for 10 minutes
You forget which window has the Codex session you were just working with
You have no idea how many tokens you've burned across sessions

There's no dashboard for this. You're alt-tabbing between panes, checking each one manually.

marmonitor fixes this. One line in your tmux.conf, and your status bar becomes a live control panel for every AI session on your machine.

<img src="docs/use_sample.png" alt="marmonitor tmux statusbar" width="640"> Agent counts, phase badges, and numbered attention pills — all in your tmux bar

What it does

tmux statusline — always visible at the bottom of your terminal:

Agent counts (Cl 12, Cx 2, Gm 1) — how many sessions are running
Phase alerts (⏳ 1, 🤔 2, 🔧 1) — which sessions need attention
Numbered pills (1 ⏳Cl my-project allow, 2 •Cx api-server 6m) — jump to any session with

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