Terminal Agent Orchestrator

Other tools replace your workflow.
jmux orchestrates it.

Agent IDEs ship their own terminal, diff viewer, and worktree manager — then lock you in. jmux orchestrates tmux, hunk, wtm, and whatever else you already use. Your tools stay your tools.

$ bun install -g @jx0/jmux

Getting Started Guide →

jmux sidebar with grouped sessions alongside vim and Claude Code

Mouad

"I have used tmux for 5 years — jmux makes me 5x more efficient."

Ravin

@ravinwashere

"The attention flags, clean sidebar, and quick session switching have genuinely made my workflow much smoother and less chaotic. Really solid and lightweight tool."

Azzeddine

"Wow"

Mouad

"I have used tmux for 5 years — jmux makes me 5x more efficient."

Ravin

@ravinwashere

"The attention flags, clean sidebar, and quick session switching have genuinely made my workflow much smoother and less chaotic. Really solid and lightweight tool."

Azzeddine

"Wow"

Why jmux

Your workflow shouldn't change
because you added an orchestrator.

Your diff viewer is better than theirs

Agent IDEs bundle their own diff panel. jmux integrates hunk — syntax-highlighted, word-level, split and full-screen views. Built by people who only build diff viewers.

Your worktrees are real worktrees

jmux doesn't invent its own branching model. It uses wtm and git worktrees — one branch per agent, one session per branch. If you stop using jmux, the branches are still there.

Your terminal is your terminal

Your theme, your keybinds, your plugins, your ~/.tmux.conf. jmux runs in any terminal you already have — local, SSH, containers, devboxes. No Electron shell. No proprietary runtime. If it runs tmux, it runs jmux.

How it Compares

What you give up with a bundled agent IDE.

	jmux	Bundled Agent IDEs	Raw tmux
Parallel agent orchestration	✓	✓	Manual
Agent status & attention flags	✓	✓	✗
Integrated diff review	✓	✓	✗
Issue & MR tracking	✓	Extension	✗
Cache cost visibility	✓	✗	✗
Runs over SSH / headless	✓	✗	✓
Use any editor or tool	✓	Bundled	✓
Works with any terminal agent	✓	Supported list	✓
Programmatic agent control	✓	Extension	✗
Sessions outlive the orchestrator	✓	✗	✓
Install size	~0.3 MB	~200+ MB	—

Bundled agent IDEs — Orca, Cursor, Windsurf, Conductor — ship their own terminal, editor, and runtime in a desktop app.

Built for the Workflow

Everything visible. Nothing in your way.

Session Sidebar

Every session at a glance — name, branch, pipeline status, linked issues. Green dot for activity, orange flag when an agent needs review.

Instant Switching

Ctrl-Shift-Up/Down. No prefix, no menu, no mode. Or click the sidebar. Indicators clear only when you actually interact.

Attention Flags

When Claude Code finishes a response, the orange ! appears. Switch to it, review the work, move on. One command to install hooks for any agent.

Issue & MR Tracking

See your Linear issues and GitLab MRs in a tabbed panel. Pipeline glyphs in the sidebar. Approve, undraft, or update status without opening a browser.

Bring Your Own Everything

Works with your ~/.tmux.conf. Your plugins, your prefix key, your bindings. jmux doesn't replace your tools — it organizes them.

Keyboard-First

Command Palette

Ctrl-a p to open. Type to fuzzy-search sessions, windows, pane actions, and settings. Hit Enter to execute.

Switch sessions by name, split panes, zoom, change settings — all without memorizing keybindings.

jmux command palette floating over a workspace with sessions, Claude Code, and htop

Code Review

Info Panel

Ctrl-a g to toggle. A tabbed side panel with diffs, issues, MRs, and review queues. The Diff tab is powered by hunk — syntax highlighting, word-level diffs, and split/stack views.

Split mode for monitoring while agents work. Full-screen mode for thorough review. Use [ and ] to cycle between tabs.

Navigate with Shift-Right from your rightmost pane — the panel feels like another pane in your layout.

jmux with integrated diff panel showing code changes alongside Claude Code in split mode

jmux diff panel in full-screen mode for thorough code review

Issue Tracking

Linear & GitLab
in the terminal.

The info panel shows your issues, MRs, and pipeline status in tabbed views alongside the diff viewer. Sessions auto-link to their branch's MR and associated issues.

Select an issue. Press n. jmux creates a worktree, opens a session, and launches your agent with the issue context — all in one step.

Press o to open in browser, s to update status, a to approve an MR. No browser tabs required.

Currently supports Linear (issues) and GitLab (MRs). More adapters coming.

jmux info panel showing Linear issues grouped by team and status with issue detail view

Agent Automation

Agent Control CLI

jmux ctl gives agents and scripts a structured CLI to control the workspace. Dispatch Claude Code instances, monitor attention flags, capture pane output, send follow-ups.

Ships with an agent skill document — Claude Code agents running inside jmux automatically discover the control interface and can orchestrate sibling agents across sessions.

All output is structured JSON. Context resolution is automatic — agents inherit $TMUX and $TMUX_PANE from their environment.

agent-orchestrator

# Dispatch two agents in parallel

$ jmux ctl run-claude \

--name fix-auth --dir /repo \

--message "Fix the auth middleware bug"

{"session":"fix-auth","pane":"%12","command_dispatched":true}

$ jmux ctl run-claude \

--name add-tests --dir /repo \

--message "Add tests for src/utils.ts"

{"session":"add-tests","pane":"%14","command_dispatched":true}

# Check which agents need review

$ jmux ctl session info --target fix-auth

{"name":"fix-auth","attention":true,"windows":1,...}

# Read what the agent produced

$ jmux ctl pane capture --target %12 --lines 50

{"target":"%12","content":"I've fixed the auth middleware..."}

Cost Visibility

Cache Timers

Each session shows a live countdown to Claude's prompt cache expiry. Green above 3 minutes, yellow under 3, red under 30 seconds, dim at 0:00.

Sending a prompt to a warm session saves up to 90% on input tokens. jmux reads real cache data from Claude Code's OpenTelemetry telemetry — no setup required.

jmux sidebar showing cache timer countdown on a session

Ecosystem

Best-in-class tools. Deeply integrated.

hunk

The best terminal diff viewer

Powers jmux's integrated diff panel. Syntax-highlighted, word-level diffs with split and full-screen views. npm i -g hunkdiff

wtm

The best Git worktree manager

Powers jmux's worktree creation flow. One worktree per agent, one session per branch. Parallel agents on parallel branches.

Claude Code

The leading AI coding agent

Ships with a jmux-control agent skill so Claude discovers the control CLI automatically. Telemetry integration for cache timers and attention flags.

Linear

Modern issue tracking

Your assigned issues in the info panel. Update statuses, create sessions from issues, auto-link branches. Set $LINEAR_API_KEY and go.

GitLab

MRs, pipelines, approvals

Pipeline glyphs in the sidebar. Approve and undraft MRs from the panel. Self-hosted instances supported.

lazygit

The best terminal Git UI

Run it in a jmux pane alongside your agent. Full Git workflow without leaving the terminal.

Codex / aider

More great coding agents

If it runs in a terminal, it works in jmux. Attention hooks for anything that can trigger a shell command.

yours

Whatever you use

vim, emacs, VS Code, your shell, your scripts. jmux doesn't care. It's tmux underneath.

Other tools replace your workflow. jmux orchestrates it.

Your workflow shouldn't change because you added an orchestrator.