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alfonsograziano/node-code-sandbox-mcp

A Node.js–based Model Context Protocol server that spins up disposable Docker containers to execute arbitrary JavaScript.

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Our verdict

Not reviewed yet

We have not reviewed alfonsograziano/node-code-sandbox-mcp yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About alfonsograziano/node-code-sandbox-mcp

A Node.js-based Model Context Protocol server that creates disposable Docker containers to execute arbitrary JavaScript code. It provides a sandboxed environment for running untrusted scripts without persistent side effects.

Best for

Developers building AI-powered code execution or sandboxing tools that need a lightweight, containerized JavaScript runtime

Use cases

  • Run user-submitted JavaScript snippets safely in an AI assistant workflow
  • Test JavaScript code in isolation during development or debugging sessions
  • Execute dynamic code from external sources without affecting the host system

Notes

153 stars on GitHub. Last updated 2025-11-24.

Pros

  • Disposable containers ensure clean state after each execution
  • Simple MCP interface integrates easily with AI tools and assistants
  • Lightweight and focused on JavaScript execution

Cons

  • Requires Docker to be installed and running on the host
  • Only supports JavaScript code execution, no other languages
  • Network access and resource limits depend on container configuration

Key facts

What we have checked

Days since the last commit
335
Checked GitHub
GitHub forks
35
Checked GitHub
GitHub stars
158
Checked GitHub
Days to a first reply on issues
172.5
Checked GitHub
Open issues
10
Checked GitHub
Releases in the last 90 days
0
Checked GitHub

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npx -y node-code-sandbox-mcp

Tools exposed

  • run_js_ephemeral
  • sandbox_initialize
  • sandbox_exec
  • run_js
  • sandbox_stop
  • search_npm_packages

Clients the listing names (not checked here)

Claude Desktop, VS Code

Example client config

{
  "mcpServers": {
    "js-sandbox": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "/var/run/docker.sock:/var/run/docker.sock",
        "-v",
        "$HOME/Desktop/sandbox-output:/root",
        "-e",
        "FILES_DIR=$HOME/Desktop/sandbox-output",
        "-e",
        "SANDBOX_MEMORY_LIMIT=512m",
        "-e",
        "SANDBOX_CPU_LIMIT=0.75",
        "mcp/node-code-sandbox"
      ]
    }
  }
}

Install

Add alfonsograziano/node-code-sandbox-mcp to your client

Not verified yet

No install recipe yet. We write one for Claude Code, Claude Desktop, Cursor, VS Code, Codex and ChatGPT when the server is in the official MCP registry with a package or remote address we can use.

Until then, follow the project's own README, or the setup the listing publishes under How to set it up.

Works with

What alfonsograziano/node-code-sandbox-mcp connects to

No confirmed connections yet. A product appears here when the server's registry name, repo, homepage or name ties it to that product, and a client appears when we have an install recipe for it.

Health and security

Is alfonsograziano/node-code-sandbox-mcp looked after, and what do its setup files show

Health score

3 out of 100

Does someone look after this repository? It does not say the code is good or safe. Worked out from GitHub signals checked . How it is worked out

PartPointsWhat we saw
Recent activity2.7 of 30Last push 335 days ago
Releases0 of 150 releases in 90 days
Issue replies0 of 20First reply in 172.5 days (median)
Maintainer0 of 15Owned by a single user
Official source0 of 20Community server

Security check static checks

90 out of 100

Reads what is published about the server: package advisories, licence, secrets in the documented setup and tool permissions. Nothing is installed or run, so this is not a security assessment. Checked by edna-static-v1. What it checks

  • Medium The repository has no licence file, so nobody has been granted the right to use, copy or change the code.
  • Note No published npm or PyPI package of this repository was found, so package advisories were not checked.
  • Note The lab has not recorded this server's tool list yet, so tool permissions were not checked.
Tool permissions (3)
  • FILES_DIR, environment variable it asks for
  • SANDBOX_CPU_LIMIT, environment variable it asks for
  • SANDBOX_MEMORY_LIMIT, environment variable it asks for

Alternatives

Alternatives to alfonsograziano/node-code-sandbox-mcp

RecordTypeHow we knowChecked
pydantic/pydantic-ai/mcp-run-pythonThis is an alternative to itMCP serverNamed in the listingNot dated

Compare

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Sources

Where this comes from

  • GitHubRegistry

    Checked · Days since the last commit, GitHub forks, GitHub stars, Days to a first reply on issues, Open issues, Releases in the last 90 days

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

Open-source & AI alternatives

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