fabro/docs/integrations/exe-dev.mdx
Bryan Helmkamp 130339ee87 Add filename titles to TOML code blocks in docs
Every TOML example now shows which config file it belongs to
(server.toml, cli.toml, or run.toml) via Mintlify's title annotation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-07 18:06:57 -05:00

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---
title: "exe.dev"
description: "Run Arc workflows in fast ephemeral VMs from exe.dev"
---
<Warning>
The exe.dev sandbox provider is in **beta** and not yet generally available. This page describes the planned integration. We'll update it when exe.dev support ships.
</Warning>
[exe.dev](https://exe.dev) provides fast ephemeral cloud VMs for Arc workflows. Each run gets a fresh VM with full machine-level isolation, connected via SSH.
## How it works
- Each run creates a new VM via the exe.dev management plane
- Agent tool calls (shell commands, file edits, grep, glob) execute over SSH inside the VM
- The working directory is `/home/exedev`
- VMs are destroyed automatically when the run finishes
## Configuration
```bash
arc run start workflow.dot --sandbox exe
```
```toml title="run.toml"
[sandbox]
provider = "exe"
```
## Prerequisites
- SSH keys configured for exe.dev (added via the [exe.dev dashboard](https://exe.dev))
See [Environments](/execution/environments#exe) for additional details on how the exe.dev sandbox operates.