workflowstacks
claude-skill

agentbox – Parallel sandboxed agents with a single command

Launch multiple Claude‑powered coding agents in isolated VMs on your laptop or cloud instantly. Ideal for founders who need fast, safe concurrent AI workflows.

From the repo · “Run multiple agents in parallel sandboxed VMs, with a single command, on your PC or in the cloud”

559 stars+21★ this week54 forksTypeScriptGuide quality 9/10 · reviewed Oct 15Updated 10/7/2026100% free · open source
What it does

Agentbox allows you to run multiple agents in parallel within sandboxed virtual machines, simplifying development and testing processes.

When to use it
  • •When you need to test multiple scenarios simultaneously without compromising your main development environment.
  • •When developing applications that require parallel processing or multi-agent interactions.
  • •When you want to create a reproducible and isolated environment for demos or training purposes.
Ready-to-paste prompt
node index.js --config agents.json --parallel 4 --vm-memory 2048
Heads up: Ensure you have sufficient resources (CPU, memory) allocated to your system or cloud environment to run multiple sandboxed VMs concurrently, as under allocation can significantly impact performance.
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/agentbox && curl -fsSL https://workflowstacks.com/api/skills/agentbox/claude-skill -o ~/.claude/skills/agentbox/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How agentbox – Parallel sandboxed agents with a single command works
Codeflow
Free to inspect

Agentbox – Parallel sandboxed agents with a single command is a very large TypeScript project (~220k lines across 1044 code files, plus 634 test files). You install it into your AI tool with one command; there is nothing to run yourself. Last commit a month ago, MIT license, has a test suite.

Size
Very large codebase
~220k lines · 1044 code files · days to read — use, don't read
Setup
Install as a skill / plugin
Add it to Claude Code (or your AI tool) with one command — 5 skills inside. Nothing to run yourself.
Runs on
Inside your AI tool
Helper scripts use Node.js
TypeScript 90%MDX 6%HTML 2%Shell 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    AGENTS.md
    The instructions the AI actually follows
  3. 3
    examples/agentbox-agent-example/README.md
    A worked example — copy this to get going
What's in each folder
skills/Prompts, skills & agent definitions2 files
packages/Sub-packages / plugins979 files
apps/Sub-packages / plugins818 files
plugins/Sub-packages / plugins4 files
docs/Documentation40 files
examples/Examples you can copy40 files
scripts/Helper scripts5 files
.claude-plugin/Plugin manifest — what gets installed1 files
READMEHas testsDocumentedCI checksExamples includedMIT licenseUpdated this month
Quick Actions
Details
Creator
madarco
Language
TypeScript
Category
claude-skill
Published
5/12/2026

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/agentbox.svg)](https://workflowstacks.com/skills/agentbox?utm_source=github&utm_medium=badge)
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