CreateOS Sandbox
claudecodexCodex plugin for disposable CreateOS Sandboxes — the `cos` driver, the using-createos-sandbox skill, and session-start / offload-hint hooks. Same engine as the Claude Code plugin.
1 skill
Run ad-hoc/heavy/untrusted code in disposable CreateOS Sandboxes; offload, parallel fanout, scratch shell, reusable box with sync, port tunnel, public expose, network clusters, S3 disks, WireGuard VPN, fork, pause/resume, and custom images.
Plugin createos-sandbox from marketplace createos in NodeOps-app/createos-plugins. Commands read from the repo's manifest — 8 days ago.
This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.
using-createos-sandboxUse when you need to run code OFF the user's machine — ALWAYS for untrusted or unknown code, and for any ad-hoc script or snippet you would otherwise run locally (remote code execution: `cos exec <file>`), heavy/long builds or test suites, a parallel test/config matrix across many boxes, an instant
/createos-sandbox:agentRun another coding agent (Claude Code, Codex, OpenCode, Pi, Cursor) on your code inside a throwaway CreateOS sandbox — on OpenRouter, or any OpenAI- or Anthropic-compatible provider.
/createos-sandbox:clusterManage a cluster of CreateOS boxes on one private network (name-addressable). For multi-machine Linux testing — distributed systems, DB replication, p2p meshes, load tests.
/createos-sandbox:computerDrive the desktop in the active CreateOS box — screenshot, move/click, type, press keys, open a URL, list windows. Computer-use for a sandboxed Linux desktop.
/createos-sandbox:desktopBring up a graphical CreateOS box (desktop:1 — XFCE + Chrome) and print a live noVNC URL the user can open in a browser to watch or drive it.
/createos-sandbox:diskManage BYO S3 bucket mounts for the CreateOS project box — register an S3 disk, attach/detach, list, remove. For datasets, model weights, or a shared build cache that survives box death.
/createos-sandbox:downTear down the active CreateOS project sandbox — stop any background sync and destroy the box, clearing project state.
/createos-sandbox:execRemote code execution — run untrusted code or any ad-hoc script/snippet (py, js, mjs, cjs, ts, go, sh, rb, c, cpp, rs) in a throwaway CreateOS box instead of on this machine. Timeout, optional stdin, real exit code, auto-destroys.
/createos-sandbox:exposeGive the active CreateOS project box a public HTTPS URL for one port. Stable link for the box's lifetime — good for sharing a live preview or webhook target.
/createos-sandbox:fanoutRun each of several commands in its OWN throwaway CreateOS box, in parallel (staged from a dir), collect per-job results, auto-destroy. For test shards, config matrices, batch jobs.
/createos-sandbox:forkSnapshot the active CreateOS project box and fork it into an independent clone (pauses briefly, then resumes). For matrix / parallel experiments from identical warm state.
/createos-sandbox:offloadOne-shot offload to a disposable CreateOS sandbox — stage a dir, run a command (keepalive-protected), optionally pull artifacts, auto-destroy. For heavy/untrusted/clean-room builds and tests.
/createos-sandbox:pausePause the active CreateOS project sandbox — snapshots disk + memory to storage so a warm box (installed deps, running processes) costs nothing while idle. Resume brings it back intact.
/createos-sandbox:resumeResume the paused CreateOS project sandbox — restores disk, memory and running processes exactly as they were. Use after /createos-sandbox:pause or after the 30 m idle auto-pause kicked in.
/createos-sandbox:runRun a command in the active CreateOS project sandbox (created by /createos-sandbox:up). Streamed output; box persists.
/createos-sandbox:shellSpin up an instant throwaway CreateOS Linux box and drop into an interactive shell; the box is destroyed on exit. For a quick clean-room to poke at something without touching your laptop.
/createos-sandbox:statusShow the active CreateOS project sandbox and sync state for this repo.
/createos-sandbox:syncStart a background file sync between a local dir and the active CreateOS project box. Default one-way (laptop→box, safe). For live dev-server/watcher loops.
/createos-sandbox:templateBuild a custom sandbox image (rootfs) from a Dockerfile so boxes boot with the toolchain already installed, instead of reinstalling dependencies on every offload. Also lists, inspects, and removes templates.
/createos-sandbox:tunnelForward a port inside the active CreateOS project box to your local 127.0.0.1 (background). Reach a box-side dev server / DB / service on localhost — private, no public URL.
/createos-sandbox:unexposeRevoke the public HTTPS URL for the active CreateOS project box — disables ingress.
/createos-sandbox:upCreate or reuse a persistent CreateOS project sandbox for this repo (one active box per git root). Warm box for repeated runs and live sync.
/createos-sandbox:vpnWireGuard L3 VPN from THIS machine into your CreateOS private networks — reach every sandbox by name/IP as if local. Needs wg-quick + sudo; the connection blocks until Ctrl-C.
"${CLAUDE_PLUGIN_ROOT}/scripts/session-start.sh"
"${CLAUDE_PLUGIN_ROOT}/scripts/offload-hint.sh"
Codex plugin for disposable CreateOS Sandboxes — the `cos` driver, the using-createos-sandbox skill, and session-start / offload-hint hooks. Same engine as the Claude Code plugin.
1 skill
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