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MCP Sandbox logo

MCP Sandbox

JohanLi233/mcp-sandbox

Python MCP Sandbox is an interactive Python code execution tool that allows users and LLMs to safely execute Python code and install packages in isolated Docker containers.

View on GitHub5

Install

npx -y supergateway --sse http://127.0.0.1:8181/sse

Client configuration

{
  "mcpServers": {
    "mcpSandbox": {
      "command": "npx",
      "args": [
        "-y",
        "supergateway",
        "--sse",
        "http://127.0.0.1:8181/sse"
      ]
    }
  }
}
GitHub stars
5
Author
@JohanLi233
Category
Developer Tools, Security
License
Apache-2.0
Updated
Oct 6, 2026

Features

  • Docker Isolation: Securely run Python code in isolated Docker containers

  • Package Management: Easily install and manage Python packages with support for custom PyPI mirrors

  • File Generation: Support for generating files and accessing them via web links

  • Authentication: Optional API key-based authentication for multi-user environments

  • Web UI: Built-in web interface for managing sandboxes and viewing execution results

  • SSE Support: Real-time communication via Server-Sent Events for MCP integration

Tools (7)

  • create_sandbox

    Creates a new Python Docker sandbox and returns its ID for subsequent code execution and package installation

  • list_sandboxes

    Lists all existing sandboxes (Docker containers) for reuse

  • execute_python_code

    Executes Python code in a specified Docker sandbox

  • install_package_in_sandbox

    Installs Python packages in a specified Docker sandbox

  • check_package_installation_status

    Checks if a package is installed or installation status in a Docker sandbox

  • execute_terminal_command

    Executes a terminal command in the specified Docker sandbox.

  • upload_file_to_sandbox

    Uploads a local file to the specified Docker sandbox.

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

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