Arc0 is open source on GitHub

Your coding agent, in your pocket.

Arc0 is a mobile companion for the coding agents you already use. Start a session on your laptop. Step away. Keep the work moving from your phone—reply to agent questions, review diffs, and stay in the loop.

No signup required

Works with:
Claude
OpenAI
Gemini
Arc0 iOS app showing an active coding session
app.arc0.ai
Arc0 web app showing an active coding session
iOS
Android
Web / PWA
Open Web App
How it works

Your machine, connected

Arc0 creates a secure tunnel between your coding agents and the Arc0 app, letting you monitor and interact with your sessions from anywhere.

$ claude$ codex$ cursorYOUR MACHINEClaude Code, Codex, CursorSECURE TUNNELTLS encrypted connectionARC0Web App & Mobile
Features

Everything you need, nothing you don't

Arc0 gives you just enough control to stay productive without being tied to your desk.

Monitor

Watch sessions unfold in real-time

Monitor - light theme
Monitor - dark theme

Interact

Send prompts and approve plans

Interact - light theme
Interact - dark theme

Artifacts

Browse tasks, plans, and files your agents create as they work

Artifacts screenshot

Review

Inspect diffs and manage worktrees with a mobile-optimized viewer

Review screenshot

Notifications

Push alerts when agents need input, finish tasks, or hit blockers

Notifications screenshot
Security

Zero trust required

Don't trust us—verify. Open source, end-to-end encrypted, and self-hostable. Your code never leaves your control.

amicalhq/arc0
MIT LICENSE

Open Source

Fully auditable. MIT licensed. Inspect every line of code on GitHub.

YOUARC0***
AES-256-GCM

End-to-End Encrypted

Your code and conversations stay private. Only you can decrypt.

localhost:8080
YOUR INFRA

Self-Hostable

Run Arc0 CLI on your machine. Use our tunnel or bring your own. Zero cloud dependency.

Setup

Live in 15 seconds

Quick setup
Batteries included
No signup required
1

Install Arc0 CLI

Run a single command to install the CLI and start the daemon. It syncs your sessions and creates a secure tunnel to your coding agents.

Terminal
$ curl -fsSL arc0.ai/install.sh | bash
$ arc0 start
Daemon started
> Setting up secure tunnel...
2

Connect your phone

Visit the connection link or install the Arc0 app and scan the QR code to connect your laptop with Arc0. The link contains your connection information.

This is a one-time setup only.

Terminal
Your tunnel is ready
Connection Link
mytunnel.arc0.ai?code={handshake}
Or scan QR
FAQ

Frequently asked questions

Everything you need to know about Arc0.

Get Started

Take your coding agent with you.

Download Arc0 and stay unblocked wherever you are. Stop babysitting. Start supervising.

Open Web App

No signup required