Node Code Sandbox MCP vs Eterna MCP

In-depth architectural comparison of the Node Code Sandbox MCP and Eterna MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Node Code Sandbox MCP when:

• You need dedicated capabilities in the Code Execution domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Output.

Explore Node Code Sandbox MCP Details

Choose Eterna MCP when:

• You need dedicated capabilities in the Code Execution domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: execute_code, search_sdk, search_examples.

Explore Eterna MCP Details

Feature & Specification Comparison

Specification	Node Code Sandbox MCP alfonsograziano Code Execution	Eterna MCP Code Execution
Summary	A Node.js MCP server that spins up isolated Docker-based sandboxes for executing JavaScript snippets with on-the-fly npm dependency installation and clean teardown	No-KYC managed MCP for AI agents: sandboxed TypeScript trading SDK, isolated sub-accounts, futures.
Category & Scope	Code Execution

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "alfonsograziano-node-code-sandbox-mcp": {
      "url": "https://hub.docker.com/r/mcp/node-code-sandbox"
    }
  }
}

{
  "mcpServers": {
    "eterna-mcp": {
      "url": "https://mcp.eterna.exchange/mcp"
    }
  }
}

Related MCP Server Comparisons