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receptron/mulmoterminal

A browser terminal grid that runs several Claude Code and other coding-agent CLI sessions in parallel, color-coded by which one needs you.

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What is it?

MulmoTerminal shows multiple AI coding-agent sessions side by side in a browser grid. Each cell is a real pseudo-terminal streamed to xterm.js, so Claude Code is the default and Codex, Antigravity, Grok, Muse, GitHub Copilot CLI and Cursor CLI are also supported. Cell borders and a roster reflect whether a session is working, waiting for a permission or answer, or finished, with an attention chime when one needs input off-screen.

Sessions run inside tmux when it is installed, so they survive server restarts and reloads. Each repo cell can isolate work in a git worktree, show the branch and diff, and commit, push or open a pull request. A Canvas panel renders agent output such as documents, forms, charts and HTML over MCP, and a Web Push notification can alert your phone when a task finishes.

It runs locally with a single npx command and needs Node 22.12 or later plus the agent CLIs you use.

Key features

  • 01Grid of live agent sessions with state-based color coding and an attention chime.
  • 02Supports Claude Code by default plus Codex, Antigravity, Grok, Muse, Copilot CLI and Cursor CLI.
  • 03Sessions persist across server restarts when tmux is installed.
  • 04One-click git worktrees, diff panel, and commit, push and PR actions per repo cell.
  • 05Canvas panel renders agent output such as documents, forms and charts over MCP.
  • 06Web Push notifications to your phone when a task finishes or needs input.

Use cases

  • Running five or more Claude Code agents on different tasks and spotting which one is blocked on a permission prompt.
  • Letting several agents work on the same repository at once, each in its own git worktree.
  • Supervising long-running agent work from a phone and answering prompts remotely.
  • Keeping dev servers, test runners and agents in the same grid of terminals.

Quick start

  1. 1

    Install Node.js 22.12 or newer

  2. 2

    Install and log in to the Claude Code CLI (claude) on your PATH

  3. 3

    Start MulmoTerminal; it opens in your browser at localhost:34567

    npx mulmoterminal@latest

Things to know

  • By default it needs the Claude Code CLI installed and already logged in; other agent CLIs require configuring a default agent.
  • Restart persistence across server restarts relies on tmux, which you must install separately.

In collections

Tools for running coding agents in parallelClaude Code tools, skills & pluginsOpen-source AI agent frameworks & appsAI coding assistants & agentsCLI & terminal toolsPrivacy & local-first tools

Topics

#ai-agents#agentic-coding#terminal#tmux#git-worktree#multi-agent#claude-code#local-first#agent-orchestration#ai-coding

FAQ

What is mulmoterminal?
A browser terminal grid that runs several Claude Code and other coding-agent CLI sessions in parallel, color-coded by which one needs you. MulmoTerminal shows multiple AI coding-agent sessions side by side in a browser grid. Each cell is a real pseudo-terminal streamed to xterm.js, so Claude Code is the default and Codex, Antigravity, Grok, Muse, GitHub Copilot CLI and Cursor CLI are also supported. Cell borders and a roster reflect whether a session is working, waiting for a permission or answer, or finished, with an attention chime when one needs input off-screen.
Is mulmoterminal free to use? What license does it have?
mulmoterminal is open source under the MIT license. Check the license terms before using it in commercial products.
Is mulmoterminal still maintained?
Actively maintained. The last commit to mulmoterminal was on Nov 5, 2026.
What can I use mulmoterminal for?
Running five or more Claude Code agents on different tasks and spotting which one is blocked on a permission prompt. Letting several agents work on the same repository at once, each in its own git worktree. Supervising long-running agent work from a phone and answering prompts remotely. Keeping dev servers, test runners and agents in the same grid of terminals.
How do I install mulmoterminal?
Install Node.js 22.12 or newer Install and log in to the Claude Code CLI (claude) on your PATH Start MulmoTerminal; it opens in your browser at localhost:34567: npx mulmoterminal@latest
Where can I get mulmoterminal?
The source code and installation instructions are on GitHub: https://github.com/receptron/mulmoterminal

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