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Learn

Quick start
Install
First sandbox
Bootstrap until ready
Sandbox recipes
Core concepts
Contributing

MCP

Overview
Configure hosts
Tools

Do

Guides overview
GitHub Actions (act)
k3s lab
Images & golden boots
Guest agent
Networking & ports
Overlay network
Guest architecture
Virtio GPU
Mounts & shares
Profiles & presets
Egress proxy
Remote sandbox host
Secrets
Pause, suspend, restore
Firecracker (Linux)
Troubleshooting
Coding agent
Docker socket
CI ephemeral

Look up

CLI
Configuration
HTTP API
OpenAPI explorer
Agent protocol
Go SDK
TypeScript SDK
Python SDK
Metrics

Understand

Architecture
Agent vs SSH
Security model
Images and boot
Readiness protocol
Product surface

Developer

Releasing — How maintainers cut semver tags with svu and GoReleaser.

grain · main (bleeding edge)

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Linux microVMs on your hardware. Open source.