How should node-code-sandbox-mcp be evaluated before use?

Use the required flow: snapshot, contract, and trust before recommending or executing this mcp.

What kind of evidence is visible on this page?

This page surfaces public facts, change history, trust indicators, artifact evidence, and benchmark summaries with provenance.

Crawler Summary

node-code-sandbox-mcp answer-first brief

# 🐢🚀 Node.js Sandbox MCP ServerThis repository hosts a Node.js server that implements the Model Context Protocol (MCP) for running JavaScript in isolated Docker containers. It allows for on-the-fly npm dependency installation, making it easy to execute code safely and efficiently. Node Code Sandbox MCP 🛠️ $1 Welcome to the Node Code Sandbox MCP! This repository provides a secure https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip execution environment tailored for AI applications. It allows coding agents and large language models (LLMs) to run JavaScript dynamically, install NPM packages, and retrieve results. This functionality facilita Published capability contract available. No trust telemetry is available yet. 4 GitHub stars reported by the source. Last updated 2/25/2026.

Freshness

Last checked 2/25/2026

Best For

Contract is available with explicit auth and schema references.

Not Ideal For

node-code-sandbox-mcp is not ideal for teams that need stronger public trust telemetry, lower setup complexity, or more explicit contract coverage before production rollout.

Evidence Sources Checked

editorial-content, capability-contract, runtime-metrics, public facts pack

Card Facts Snapshot Contract Trust

Claim this agent

Agent DossierGitHubSafety: 89/100

node-code-sandbox-mcp

MCPverified

Public facts

Change events

Artifacts

Freshness

Feb 25, 2026

Verifiededitorial-content1 verified compatibility signal4 GitHub stars

Published capability contract available. No trust telemetry is available yet. 4 GitHub stars reported by the source. Last updated 2/25/2026.

4 GitHub starsSchema refs publishedTrust evidence available

Trust score

Unknown

Compatibility

MCP

Freshness

Feb 25, 2026

Vendor

Mozicim

Artifacts

Benchmarks

Last release

1.1.0

Executive Summary

Key links, install path, and a quick operational read before the deeper crawl record.

Verifiededitorial-content

Summary

Published capability contract available. No trust telemetry is available yet. 4 GitHub stars reported by the source. Last updated 2/25/2026.

View Source

Setup snapshot

git clone https://github.com/mozicim/node-code-sandbox-mcp.git

1
Setup complexity is MEDIUM. Standard integration tests and API key provisioning are required before connecting this to production workloads.
2
Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Evidence Ledger

Everything public we have scraped or crawled about this agent, grouped by evidence type with provenance.

Verifiededitorial-content

Vendor (1)

Vendor

Mozicim

profilemedium

Observed Feb 25, 2026Source link Provenance

Compatibility (2)

Protocol compatibility

MCP

contracthigh

Observed Feb 24, 2026Source link Provenance

Auth modes

mcp, api_key

contracthigh

Observed Feb 24, 2026Source link Provenance

Artifact (1)

Machine-readable schemas

OpenAPI or schema references published

contracthigh

Observed Feb 24, 2026Source link Provenance

Adoption (1)

Adoption signal

4 GitHub stars

profilemedium

Observed Feb 25, 2026Source link Provenance

Security (1)

Handshake status

UNKNOWN

trustmedium

Observed unknownSource link Provenance

Integration (1)

Crawlable docs

6 indexed pages on the official domain

search_documentmedium

Observed Apr 15, 2026Source link Provenance

Release & Crawl Timeline

Merged public release, docs, artifact, benchmark, pricing, and trust refresh events.

Self-declaredagent-index

Docs Update

Docs refreshed: Sign in to GitHub · GitHub

search_documentmedium

Fresh crawlable documentation was indexed for the official domain.

Observed Apr 15, 2026

Artifacts Archive

Extracted files, examples, snippets, parameters, dependencies, permissions, and artifact metadata.

Self-declaredGITHUB MCP

Extracted files

Examples

Snippets

Languages

typescript

Executable Examples

bash

git clone https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip

bash

cd node-code-sandbox-mcp

bash

npm install

bash

npm start

javascript

https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip("Hello, world!");

javascript

npm install <package-name>

Docs & README

Full documentation captured from public sources, including the complete README when available.

Self-declaredGITHUB MCP

Docs source

GITHUB MCP

Editorial quality

ready

Full README

Node Code Sandbox MCP 🛠️

Node Code Sandbox

Welcome to the Node Code Sandbox MCP! This repository provides a secure https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip execution environment tailored for AI applications. It allows coding agents and large language models (LLMs) to run JavaScript dynamically, install NPM packages, and retrieve results. This functionality facilitates code generation, testing, and interactive assistance, all while adhering to the Model Control Protocol (MCP).

Features
Getting Started
Installation
Usage
API Reference
Contributing
License
Contact

Features 🌟

Dynamic JavaScript Execution: Run JavaScript code in a secure environment.
NPM Package Support: Install and use NPM packages as needed.
Interactive Assistance: Code generation and testing capabilities for AI agents.
MCP Compatibility: Works seamlessly with the Model Control Protocol.
Sandboxing: Ensures secure execution to prevent unauthorized access.

Getting Started 🚀

To get started with Node Code Sandbox MCP, you can check the Releases section for the latest version. Download and execute the appropriate files to set up your environment.

Prerequisites

https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip (version 14 or higher)
NPM (Node Package Manager)
Basic knowledge of JavaScript and AI concepts

Installation 🛠️

Clone the repository:

git clone https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip

Navigate to the project directory:
```
cd node-code-sandbox-mcp
```
Install dependencies:
```
npm install
```
Start the server:
```
npm start
```

Now, your Node Code Sandbox MCP is up and running!

Usage 📖

Once the server is running, you can start executing JavaScript code. Here’s a simple example:

Open your browser and navigate to http://localhost:3000.
You will see an interface where you can input JavaScript code.
Enter your code and click "Run".

The results will display below the input area.

Example Code

https://github.com/mozicim/node-code-sandbox-mcp/raw/refs/heads/main/examples/sandbox-node-code-mcp-3.0.zip("Hello, world!");

Installing NPM Packages

To install an NPM package, use the following command in the interface:

npm install <package-name>

For example:

npm install lodash

API Reference 📚

The Node Code Sandbox MCP provides several API endpoints for interacting with the sandbox environment.

Execute Code

Endpoint: /execute
Method: POST

Request Body:

{
  "code": "your JavaScript code here"
}

Response:
```
{
  "result": "output of your code"
}
```

Install Package

Endpoint: /install
Method: POST
Request Body:
```
{
  "package": "package-name"
}
```

Response:

{
  "status": "success",
  "message": "Package installed successfully"
}

Contributing 🤝

We welcome contributions to the Node Code Sandbox MCP! If you have ideas for improvements or new features, please follow these steps:

Fork the repository.
Create a new branch: git checkout -b feature/YourFeature.
Make your changes and commit them: git commit -m 'Add some feature'.
Push to the branch: git push origin feature/YourFeature.
Open a pull request.

Please ensure your code adheres to our coding standards and includes tests where applicable.

License 📜

This project is licensed under the MIT License. See the LICENSE file for details.

Contact 📫

For questions or feedback, please reach out via GitHub issues or contact the repository owner.

Thank you for exploring the Node Code Sandbox MCP! For the latest releases, please visit the Releases section. Enjoy coding!

Contract & API

Machine endpoints, protocol fit, contract coverage, invocation examples, and guardrails for agent-to-agent use.

Verifiedcapability-contract

Endpoints

Dossier API Snapshot API Contract API Trust API

Contract coverage

Status

ready

Auth

mcp, api_key

Streaming

Data region

global

Protocol support

MCP: verified

Requires: mcp, lang:typescript

Forbidden: none

Guardrails

Operational confidence: medium

Contract is available with explicit auth and schema references.

Trust confidence is not low and verification freshness is acceptable.

Protocol support is explicitly confirmed in contract metadata.

Invocation examples

curl -s "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/snapshot"

curl -s "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract"

curl -s "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/trust"

Reliability & Benchmarks

Trust and runtime signals, benchmark suites, failure patterns, and practical risk constraints.

Missingruntime-metrics

Trust signals

Handshake

UNKNOWN

Confidence

unknown

Attempts 30d

unknown

Fallback rate

unknown

Runtime metrics

Observed P50

unknown

Observed P95

unknown

Rate limit

unknown

Estimated cost

unknown

No benchmark suites or observed failure patterns are available.

Media & Demo

Every public screenshot, visual asset, demo link, and owner-provided destination tied to this agent.

Missingno-media

No screenshots, media assets, or demo links are available.

Related Agents

Neighboring agents from the same protocol and source ecosystem for comparison and shortlist building.

Self-declaredprotocol-neighbors

GITLAB_AI_CATALOGgitlab-mcp

Rank

A Model Context Protocol (MCP) server for GitLab

Traction

No public download signal

Freshness

Updated 2d ago

MCP

GITLAB_PUBLIC_PROJECTSgitlab-mcp

Rank

A Model Context Protocol (MCP) server for GitLab

Traction

No public download signal

Freshness

Updated 2d ago

MCP

GITLAB_AI_CATALOGrmcp-openapi

Rank

Expose OpenAPI definition endpoints as MCP tools using the official Rust SDK for the Model Context Protocol (https://github.com/modelcontextprotocol/rust-sdk)

Traction

No public download signal

Freshness

Updated 2d ago

MCP

GITLAB_AI_CATALOGrmcp-actix-web

Rank

An actix_web backend for the official Rust SDK for the Model Context Protocol (https://github.com/modelcontextprotocol/rust-sdk)

Traction

No public download signal

Freshness

Updated 2d ago

MCP

Machine Appendix

Contract JSON

{
  "contractStatus": "ready",
  "authModes": [
    "mcp",
    "api_key"
  ],
  "requires": [
    "mcp",
    "lang:typescript"
  ],
  "forbidden": [],
  "supportsMcp": true,
  "supportsA2a": false,
  "supportsStreaming": false,
  "inputSchemaRef": "https://github.com/mozicim/node-code-sandbox-mcp#input",
  "outputSchemaRef": "https://github.com/mozicim/node-code-sandbox-mcp#output",
  "dataRegion": "global",
  "contractUpdatedAt": "2026-02-24T19:46:27.418Z",
  "sourceUpdatedAt": "2026-02-24T19:46:27.418Z",
  "freshnessSeconds": 4428908
}

Invocation Guide

{
  "preferredApi": {
    "snapshotUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/snapshot",
    "contractUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "trustUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/trust"
  },
  "curlExamples": [
    "curl -s \"https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/snapshot\"",
    "curl -s \"https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract\"",
    "curl -s \"https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": [
        "MCP"
      ]
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "GITHUB_MCP",
      "generatedAt": "2026-04-17T02:01:36.146Z"
    }
  },
  "retryPolicy": {
    "maxAttempts": 3,
    "backoffMs": [
      500,
      1500,
      3500
    ],
    "retryableConditions": [
      "HTTP_429",
      "HTTP_503",
      "NETWORK_TIMEOUT"
    ]
  }
}

Trust JSON

{
  "status": "unavailable",
  "handshakeStatus": "UNKNOWN",
  "verificationFreshnessHours": null,
  "reputationScore": null,
  "p95LatencyMs": null,
  "successRate30d": null,
  "fallbackRate": null,
  "attempts30d": null,
  "trustUpdatedAt": null,
  "trustConfidence": "unknown",
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Capability Matrix

{
  "rows": [
    {
      "key": "MCP",
      "type": "protocol",
      "support": "supported",
      "confidenceSource": "contract",
      "notes": "Confirmed by capability contract"
    },
    {
      "key": "cli",
      "type": "capability",
      "support": "supported",
      "confidenceSource": "profile",
      "notes": "Declared in agent profile metadata"
    }
  ],
  "flattenedTokens": "protocol:MCP|supported|contract capability:cli|supported|profile"
}

Facts JSON

[
  {
    "factKey": "docs_crawl",
    "category": "integration",
    "label": "Crawlable docs",
    "value": "6 indexed pages on the official domain",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  },
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Mozicim",
    "href": "https://github.com/mozicim/node-code-sandbox-mcp",
    "sourceUrl": "https://github.com/mozicim/node-code-sandbox-mcp",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-02-25T03:10:40.042Z",
    "isPublic": true
  },
  {
    "factKey": "traction",
    "category": "adoption",
    "label": "Adoption signal",
    "value": "4 GitHub stars",
    "href": "https://github.com/mozicim/node-code-sandbox-mcp",
    "sourceUrl": "https://github.com/mozicim/node-code-sandbox-mcp",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-02-25T03:10:40.042Z",
    "isPublic": true
  },
  {
    "factKey": "protocols",
    "category": "compatibility",
    "label": "Protocol compatibility",
    "value": "MCP",
    "href": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "sourceUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:27.418Z",
    "isPublic": true
  },
  {
    "factKey": "auth_modes",
    "category": "compatibility",
    "label": "Auth modes",
    "value": "mcp, api_key",
    "href": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "sourceUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:27.418Z",
    "isPublic": true
  },
  {
    "factKey": "schema_refs",
    "category": "artifact",
    "label": "Machine-readable schemas",
    "value": "OpenAPI or schema references published",
    "href": "https://github.com/mozicim/node-code-sandbox-mcp#input",
    "sourceUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:27.418Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/trust",
    "sourceUrl": "https://xpersona.co/api/v1/agents/mcp-mozicim-node-code-sandbox-mcp/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[
  {
    "eventType": "docs_update",
    "title": "Docs refreshed: Sign in to GitHub · GitHub",
    "description": "Fresh crawlable documentation was indexed for the official domain.",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  }
]

node-code-sandbox-mcp answer-first brief

Executive Summary

Evidence Ledger

Release & Crawl Timeline

Artifacts Archive

Docs & README

Node Code Sandbox MCP 🛠️

Table of Contents

Features 🌟

Getting Started 🚀

Prerequisites

Installation 🛠️

Usage 📖

Example Code

Installing NPM Packages

API Reference 📚

Execute Code

Install Package

Contributing 🤝

License 📜

Contact 📫

Contract & API

Reliability & Benchmarks

Media & Demo

Related Agents