Shieldmcp

@shieldmcp

About Shieldmcp

A shield for logging, deep debug and sanitization for MCP servers at development stage

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "shieldmcp-shieldmcp": {
      "command": "python",
      "args": [
        "-m",
        "venv",
        "venv"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Shieldmcp?

Shieldmcp is a security middleware for Model Context Protocol (MCP) servers that provides tool access control, result sanitization, structured logging, and rate limiting without modifying the official SDK. It is intended for developers who need to secure and monitor MCP tool calls.

How to use Shieldmcp?

Apply the @secure_tool decorator to your MCP tools with optional parameters for allowed tools, sanitizer, user and session IDs, and rate limit configuration. Components like ToolAudit, ToolAccess, ToolSanitizer, and RateLimitConfig can also be used independently.

Key features of Shieldmcp

Whitelist-based access control for MCP tools
Configurable result sanitization with sensitive pattern detection
Structured audit logging using structlog
Token bucket rate limiting with burst support
Standardized error handling across tools
Compatible with the MCP Inspector tool

Use cases of Shieldmcp

Restrict which MCP tools can be invoked by different users
Sanitize tool outputs to prevent leaking personal or financial data
Monitor and audit all tool calls with detailed logs
Prevent tool overload with rate limits per user or session

FAQ from Shieldmcp

What is the primary purpose of Shieldmcp?

Shieldmcp acts as a security middleware for MCP servers, enabling access control, sanitization, logging, and rate limiting without

Frequently asked questions

What is the primary purpose of Shieldmcp?

Shieldmcp acts as a security middleware for MCP servers, enabling access control, sanitization, logging, and rate limiting without

Comments

Basic information

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