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In active development

A desktop workspace for the coding agents you already use.

Tandem runs Claude Code, Codex, Gemini CLI and other coding-agent CLIs side by side in real terminals, on your own subscriptions. One Dashboard shows every agent: what it's doing, and when it needs you.

app4 panes
Claude Code

Refactoring the session store…

Codex

Wants to run: pnpm test

Gemini CLI

Updated 4 files

zsh

~/src/app $

Illustration · sample data

Working today

Built for running many agents at once

  • Real terminals, side by side

    Each agent runs in a real PTY pane over your own folders. Split, maximize and rearrange panes into layouts. Full-screen TUIs, colours and mouse input behave as they do in your usual terminal.

  • Your accounts, untouched

    Each engine signs in by itself, inside its own provider home on your disk. Tandem never reads, copies or proxies an AI vendor's tokens.

  • Live status for every agent

    Tandem knows when an agent is working, waiting for you, done or stuck. That status shows on every pane, tab and workspace.

  • One Dashboard

    Every live agent in one place, across all your workspaces. Approve or deny tool requests right on the card, without hunting for the right pane.

  • Notifications that matter

    You get an OS notification when an agent needs you or finishes, plus an in-app history. Nothing pings you for the pane you're already looking at.

  • Crash-safe restore

    Layouts, tabs and panes come back after a quit or a crash. Agents return paused, ready to resume their session, and nothing re-runs on its own. We test this by force-killing the app at random points.

  • Signed updates

    Updates are signature-checked before they install. An older or tampered build is refused.

  • Private by default

    Usage statistics and crash reports are off until you turn them on. Secrets live in your OS keychain, and logs are scrubbed of tokens and keys.

Engines

Bring the agents you already use

Tandem finds the engine CLIs installed on your machine and launches them in panes, each signed in to your own account. If an engine is missing, Tandem shows you how to install it.

  • Claude Code
  • Codex
  • Gemini CLI
  • Copilot CLI
  • Cursor Agent
  • Grok
  • OpenCode
  • Droid
  • Amp
  • Aider
  • Kimi

Product names belong to their owners. Tandem isn't affiliated with or endorsed by any engine vendor.

Principles

What we won't compromise on

  • Your machine, your accounts

    Nothing leaves your machine unless you opt in, and engine tokens are never touched.

  • Reliability first

    Correct terminal behaviour, restore after a crash, and no silent failures.

  • Explicit authority

    Unattended work never inherits interactive full access, and spending always asks first.

  • One codebase

    macOS, Windows and Linux get the same features on the same day.

Roadmap

What we're building next

  1. 01

    Lanes, presets and handoff

    Run one task across several engines, each in its own git worktree, then compare and hand work from one to another.

  2. 02

    Accounts and usage

    Several subscriptions per engine, with usage and limits in view.

  3. 03

    Thread mode

    Read a coding session as a conversation instead of watching a TUI, with inline approvals and a changes panel.

  4. 04

    Dictate

    Push-to-talk anywhere in the app, with speech recognized on your machine.

  5. 05

    Files, git and a browser

    Your files, diffs and a preview browser beside the agents.

  6. 06

    Teammates (Agent mode)

    Persistent agents with memory, skills and routines that can message each other.

  7. 07

    Tasks, routines and plugins

    A local task tracker agents can read and write, scheduled routines, and connected services behind explicit approvals.

  8. 08

    Remote

    Run agents over SSH and WSL, and check on them from your phone.

Team

Who's building Tandem

Naman Jain

Founder, Vibezeo

Tandem is built by Naman Jain, the founder of Vibezeo. Write to hello@vibezeo.com to talk about the product or try an early build.

More about Vibezeo →

FAQ

Questions

Can I use Tandem today?
Not yet. Tandem is in active development and isn't publicly available. Email us if you'd like to try an early build.
Which platforms will it support?
macOS 14 or later, Windows 10 and 11 (x64), and Linux x86_64 (AppImage and .deb). We develop and test on Linux first, and build every platform in CI.
Does Tandem see my API keys or subscription tokens?
No. Each engine CLI signs in by itself, in its own folder on your disk. Tandem starts the CLI and shows its terminal, and never reads, copies or forwards the engine's credentials.
Do I need a new AI subscription?
No. Tandem runs the coding agents you already have, on your existing plans.
What will it cost?
We'll publish pricing before launch. There will be a free plan for running your own engines side by side.

Want to try it early?

Tell us which engines you use and what you'd run side by side.

hello@vibezeo.com