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


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.
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


Interact
Send prompts and approve plans


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

Review
Inspect diffs and manage worktrees with a mobile-optimized viewer

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

Zero trust required
Don't trust us—verify. Open source, end-to-end encrypted, and self-hostable. Your code never leaves your control.
Open Source
Fully auditable. MIT licensed. Inspect every line of code on GitHub.
End-to-End Encrypted
Your code and conversations stay private. Only you can decrypt.
Self-Hostable
Run Arc0 CLI on your machine. Use our tunnel or bring your own. Zero cloud dependency.
Live in 15 seconds
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.
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.
Frequently asked questions
Everything you need to know about Arc0.
Take your coding agent with you.
Download Arc0 and stay unblocked wherever you are. Stop babysitting. Start supervising.
No signup required