Node Code Sandbox

Item: Node Code Sandbox
Rating: 59
Author: M8ven

Provides a secure Docker-based sandbox for executing JavaScript code with npm dependencies, offering both persistent and ephemeral containers with strict resource limits for safe code testing and demonstration.

→ alfonsograziano/node-code-sandbox-mcp · listed on pulsemcp

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 4 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: OPENAI_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies1 critical4 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.2.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.17.3GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.17.3GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.3GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

hightmp@0.2.5GHSA-ph9p-34f9-6g65

tmp has Path Traversal via unsanitized prefix/postfix that enables directory escape

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configDOCKER_CONTAINER

configDOCKER_ENV

configFILES_DIR— "=$HOME/Desktop/sandbox-output",

🔐 secretOPENAI_API_KEY

configOPENAI_MODEL

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/alfonsograziano-node-code-sandbox-mcp-18bywd)](https://m8ven.ai/mcp/alfonsograziano-node-code-sandbox-mcp-18bywd)

commit: 60f3e52c239f27e1528dbdf508875da574479ba5

code hash: 8ce9cba87c3b84bf994edf26e96970b9823cad5e87cdc1f146c46cc263342718

verified: 7/24/2026, 8:48:36 AM

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