Minimal MCP Server (Python)

This is a minimal Model Context Protocol (MCP) server using the official Python SDK.

Features

• Tool: guardrail(context: str) -> bool — Checks if the provided context is safe (no code injection or harmful content). Returns True if safe, False otherwise.

Related MCP server: Sandbox MCP

Quick Start

1. Install dependencies:

   pip install -r requirements.txt

2. Run the server:

   python main.py

Test with MCP Inspector

To test and explore your server with a GUI:

mcp dev main.py

Install in Claude Desktop

To use this MCP server as a tool in Claude Desktop:

1. Make sure you have Claude Desktop installed.

2. In your terminal, run:

   mcp install main.py

3. The server will appear as a tool in Claude Desktop, ready to use.

References

• Model Context Protocol Docs

• Python SDK

• Claude Desktop