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MCP Server

MCP-REPL

A secure JavaScript REPL server that enables executing code snippets in a sandboxed environment with memory protection, timeout handling, and comprehensive error reporting.

11
GitHub Stars
8/23/2025
Last Updated
MCP Server Configuration
1{
2 "name": "mcp-repl",
3 "command": "npx",
4 "args": [
5 "-y",
6 "mcp-repl"
7 ],
8 "env": {},
9 "disabled": false,
10 "autoApprove": [
11 "executenode",
12 "executedeno"
13 ]
14}
JSON14 lines

README Documentation

🚀 MCP REPL Executor

🧙‍♂️ Simplified JavaScript Execution Environment

A streamlined direct Node.js execution environment that enables seamless code execution with full support for:

  • ESM Modules - Native import/export syntax
  • Dynamic Imports - Full support for await import()
  • CommonJS compatibility - Works with require() through createRequire
  • Native Node.js API access - Direct access to all Node.js features

🧩 Configuration

For Claude Code: claude mcp add repl -- "npx" "-y" "mcp-repl" For Cursor, update your .cursor/mcp.json configuration:

{
  "mcpServers": {
    "mcp-repl": {
      "command": "npx",
      "args": [
        "-y", "mcp-repl"
      ],
      "env": {},
      "disabled": false,
      "autoApprove": ["executenode", "executedeno"]
    }
  }
}

Quick Install

Quick Actions

Key Features

Model Context Protocol
Secure Communication
Real-time Updates
Open Source