Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub Β· AI
Docker Sandbox Lucas
Create and manage Docker sandboxed VM environments for safe agent execution. Use when running untrusted code, exploring packages, or isolating agent workloads. Supports Claude, Codex, Copilot, Gemini, and Kiro agents with network proxy controls.
skill openclawclawhub Free
Create and manage Docker sandboxed VM environments for safe agent execution. Use when running untrusted code, exploring packages, or isolating agent workloads. Supports Claude, Codex, Copilot, Gemini, and Kiro agents with network proxy controls.
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Install for OpenClaw
Quick setup
- Download the package from Yavira.
- Extract the archive and review SKILL.md first.
- Import or place the package into your OpenClaw setup.
Package facts
- Download mode
- Yavira redirect
- Package format
- ZIP package
- Source platform
- Tencent SkillHub
- What's included
- SKILL.md, _meta.json
Validation
- Use the Yavira download entry.
- Review SKILL.md after the package is downloaded.
- Confirm the extracted package contains the expected setup assets.
Install with your agent
Agent handoff
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
- Download the package from Yavira.
- Extract it into a folder your agent can access.
- Paste one of the prompts below and point your agent at the extracted folder.
New install
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
Upgrade existing
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.
Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 1.0.1
Provenance
- Publisher
- LucasSeeley
- Source page
- View original listing
- Canonical URL
- Open canonical page
Documentation
Docker Sandbox
Run agents and commands in isolated VM environments using Docker Desktop's sandbox feature. Each sandbox gets its own lightweight VM with filesystem isolation, network proxy controls, and workspace mounting via virtiofs.
When to Use
Exploring untrusted packages or skills before installing them system-wide Running arbitrary code from external sources safely Testing destructive operations without risking the host Isolating agent workloads that need network access controls Setting up reproducible environments for experiments
Requirements
Docker Desktop 4.49+ with the docker sandbox plugin Verify: docker sandbox version
Create a sandbox for the current project
docker sandbox create --name my-sandbox claude . This creates a VM-isolated sandbox with: The current directory mounted via virtiofs Node.js, git, and standard dev tools pre-installed Network proxy with allowlist controls
Run commands inside
docker sandbox exec my-sandbox node --version docker sandbox exec my-sandbox npm install -g some-package docker sandbox exec -w /path/to/workspace my-sandbox bash -c "ls -la"
Run an agent directly
# Create and run in one step docker sandbox run claude . -- -p "What files are in this project?" # Run with agent arguments after -- docker sandbox run my-sandbox -- -p "Analyze this codebase"
Lifecycle
# Create a sandbox (agents: claude, codex, copilot, gemini, kiro, cagent) docker sandbox create --name <name> <agent> <workspace-path> # Run an agent in sandbox (creates if needed) docker sandbox run <agent> <workspace> [-- <agent-args>...] docker sandbox run <existing-sandbox> [-- <agent-args>...] # Execute a command docker sandbox exec [options] <sandbox> <command> [args...] -e KEY=VAL # Set environment variable -w /path # Set working directory -d # Detach (background) -i # Interactive (keep stdin open) -t # Allocate pseudo-TTY # Stop without removing docker sandbox stop <sandbox> # Remove (destroys VM) docker sandbox rm <sandbox> # List all sandboxes docker sandbox ls # Reset all sandboxes docker sandbox reset # Save snapshot as reusable template docker sandbox save <sandbox>
Network Controls
The sandbox includes a network proxy for controlling outbound access. # Allow specific domains docker sandbox network proxy <sandbox> --allow-host example.com docker sandbox network proxy <sandbox> --allow-host api.github.com # Block specific domains docker sandbox network proxy <sandbox> --block-host malicious.com # Block IP ranges docker sandbox network proxy <sandbox> --block-cidr 10.0.0.0/8 # Bypass proxy for specific hosts (direct connection) docker sandbox network proxy <sandbox> --bypass-host localhost # Set default policy (allow or deny all by default) docker sandbox network proxy <sandbox> --policy deny # Block everything, then allowlist docker sandbox network proxy <sandbox> --policy allow # Allow everything, then blocklist # View network activity docker sandbox network log <sandbox>
Custom Templates
# Use a custom container image as base docker sandbox create --template my-custom-image:latest claude . # Save current sandbox state as template for reuse docker sandbox save my-sandbox
Workspace Mounting
The workspace path on the host is mounted into the sandbox via virtiofs. The mount path inside the sandbox preserves the host path structure: Host OSHost PathSandbox PathWindowsH:\Projects\my-app/h/Projects/my-appmacOS/Users/me/projects/my-app/Users/me/projects/my-appLinux/home/me/projects/my-app/home/me/projects/my-app The agent's home directory is /home/agent/ with a symlinked workspace/ directory.
Environment Inside the Sandbox
Each sandbox VM includes: Node.js (v20.x LTS) Git (latest) Python (system) curl, wget, standard Linux utilities npm (global install directory at /usr/local/share/npm-global/) Docker socket (at /run/docker.sock - Docker-in-Docker capable)
Proxy Configuration (auto-set)
HTTP_PROXY=http://host.docker.internal:3128 HTTPS_PROXY=http://host.docker.internal:3128 NODE_EXTRA_CA_CERTS=/usr/local/share/ca-certificates/proxy-ca.crt SSL_CERT_FILE=/usr/local/share/ca-certificates/proxy-ca.crt Important: Node.js fetch (undici) does NOT respect HTTP_PROXY env vars by default. For npm packages that use fetch, create a require hook: // /tmp/proxy-fix.js const proxy = process.env.HTTPS_PROXY || process.env.HTTP_PROXY; if (proxy) { const { ProxyAgent } = require('undici'); const agent = new ProxyAgent(proxy); const origFetch = globalThis.fetch; globalThis.fetch = function(url, opts = {}) { return origFetch(url, { ...opts, dispatcher: agent }); }; } Run with: node -r /tmp/proxy-fix.js your-script.js
Safe Package Exploration
# Create isolated sandbox docker sandbox create --name pkg-test claude . # Restrict network to only npm registry docker sandbox network proxy pkg-test --policy deny docker sandbox network proxy pkg-test --allow-host registry.npmjs.org docker sandbox network proxy pkg-test --allow-host api.npmjs.org # Install and inspect the package docker sandbox exec pkg-test npm install -g suspicious-package docker sandbox exec pkg-test bash -c "find /usr/local/share/npm-global/lib/node_modules/suspicious-package -name '*.js' | head -20" # Check for post-install scripts, network calls, file access docker sandbox network log pkg-test # Clean up docker sandbox rm pkg-test
Persistent Dev Environment
# Create once docker sandbox create --name dev claude ~/projects/my-app # Use across sessions docker sandbox exec dev npm test docker sandbox exec dev npm run build # Save as template for team sharing docker sandbox save dev
Locked-Down Agent Execution
# Deny-all network, allow only what's needed docker sandbox create --name secure claude . docker sandbox network proxy secure --policy deny docker sandbox network proxy secure --allow-host api.openai.com docker sandbox network proxy secure --allow-host github.com # Run agent with restrictions docker sandbox run secure -- -p "Review this code for security issues"
"client version X is too old"
Update Docker Desktop to 4.49+. The sandbox plugin requires engine API v1.44+.
"fetch failed" inside sandbox
Node.js fetch doesn't use the proxy. Use the proxy-fix.js require hook above, or use curl instead: docker sandbox exec my-sandbox curl -sL https://api.example.com/data
Path conversion on Windows (Git Bash / MSYS2)
Git Bash converts /path to C:/Program Files/Git/path. Prefix commands with: MSYS_NO_PATHCONV=1 docker sandbox exec my-sandbox ls /home/agent
Sandbox won't start after Docker update
docker sandbox reset # Clears all sandbox state
Category context
Agent frameworks, memory systems, reasoning layers, and model-native orchestration.
Source: Tencent SkillHub
Largest current source with strong distribution and engagement signals.
Package contents
Included in package
1 Docs1 Config
- SKILL.md
- _meta.json