boxd.sh valid

boxd

Composable computers for devs and agents. Real hardware-isolated Linux VMs in the cloud: compose one, then spin up as many as you need.

For agents: boxd provides composable, hardware-isolated Linux VMs in the cloud for developers and AI agents; the material gives no docs or API links.

cloud vmslinux virtual machineshardware-isolatedcomposable computerssandboxes for agents

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T18:14:03.116Z. Cached copy · Source on boxd.sh

# boxd

> Composable computers for devs and agents. Real hardware-isolated Linux VMs in the cloud: compose one, then spin up as many as you need.

boxd gives developers and AI agents their own persistent Linux machines accessible via SSH. No SDK required — if it can open an SSH connection, it can use boxd.

## Quick start

```
curl -fsSL https://boxd.sh/downloads/install.sh | sh
boxd machine new my-app
```

## Links

- Website: https://boxd.sh
- Pricing: https://boxd.sh/pricing
- Capabilities: https://boxd.sh/features
- Use cases: https://boxd.sh/use-cases
- Blog: https://boxd.sh/blog
- Contact: https://boxd.sh/contact
- Full LLM context: https://boxd.sh/llms-full.txt

## Capabilities

- https://boxd.sh/features/cli — One binary drives every boxd machine: create, fork, exec, publish. --json on every command, plus an interactive REPL and managed SSH config.
- https://boxd.sh/features/forking — Copy a running machine in under 200ms, save its memory and disk as a snapshot, or roll it back to a checkpoint in place. Running state included, not just the disk.
- https://boxd.sh/features/domains — Every boxd machine gets an HTTPS URL. Publish any port on a named subdomain, forward raw TCP or UDP, and point your own domain at it — certificates and DNS handled.

## Use cases

- https://boxd.sh/use-cases/dev-environments — Every developer gets a machine with the app already running. Fork it to experiment, share a URL to preview it, and pay nothing while it sleeps.
- https://boxd.sh/use-cases/agent-sandboxes — The fastest, most isolated agent sandboxes. KVM virtualization, EU-hosted, under 10ms cold boot.
- https://boxd.sh/use-cases/background-agents — Let agents ship code while your team sleeps. Fork a machine, run the agent, sleep when done.

## Blog & manifesto

- https://boxd.sh/blog/the-agent-lives-inside-the-machine — Fork, hibernation, persistence, SSH. Why every boxd decision flows from one architectural bet.
- https://boxd.sh/blog/persistence-beats-ephemeral — Why persistent state is the foundation of everything boxd does, and what falls out for free.
- https://boxd.sh/blog/where-to-run-agent-harness-production — Anthropic and LangChain define what an agent harness is. This piece answers the question they don't: where does the harness actually live in production?
- https://boxd.sh/blog/mcp-server-hosting-complete-guide — Where do production MCP servers actually live? The four hosting patterns, what changes when MCP goes to production, and the five properties a remote MCP server host needs.
- https://boxd.sh/blog/anthropic-computer-use-on-a-remote-vm — Computer use needs a desktop. The hard part isn't the API. It's where the desktop lives. What the workload actually needs from its host, and why most cloud primitives don't ship with a display.
- https://boxd.sh/blog/self-hosted-agent-execution-for-engineering-teams — Where does the agent actually execute? The compliance and engineering dimensions, what the substrate has to provide, and the EU sovereig
…

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