MCP.so
Sign In
M

Mcp Guardian

@rudraneel93

Repository

About Mcp Guardian

> MCP Guardian is a runtime security, cost governance, and health monitoring proxy for MCP infrastructure. Three-layer detection engine (regex → schema → LLM), YAML policy engine with hot-reload, 50+ secret patterns + Shannon entropy, AST command validation, JWT algorithm pinning

Config

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

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-guardian/server"
      ]
    }
  }
}

Tools

No tools detected

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is MCP Guardian?

MCP Guardian is a runtime security, cost governance, and health monitoring proxy for MCP infrastructure. It uses a three‑layer detection engine (regex → schema → LLM), a YAML policy engine with hot‑reload, and provides enterprise observability.

How to use MCP Guardian?

Deploy MCP Guardian as a proxy between MCP clients and servers. Define security and cost policies using YAML files that support hot‑reload. Monitor security events, token costs, and server health through the built‑in web dashboard and Prometheus metrics.

Key features of MCP Guardian

  • Three‑layer detection engine (regex, schema, LLM)
  • YAML policy engine with hot‑reload
  • 50+ secret patterns and Shannon entropy detection
  • AST command validation and JWT algorithm pinning
  • Default‑deny fail‑closed security model
  • Token cost tracking via tiktoken
  • Health monitoring with circuit breakers
  • Prometheus metrics and web dashboard

Use cases of M

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

rudraneel93

Submitted by

Rudraneel Das

More Developer Tools MCP servers

Stakpak Agent CLI

stakpak

Ship your code, on autopilot. An open source agent that lives on your machines 24/7 and keeps your apps running. 🦀

1.6K

MCP Containers

metorial

Connect any AI model to 1200+ integrations (MCP, CLI, API)

3.3K

extentos

Asger mølgaard

Extentos is a multi-vendor development platform for adding smart-glasses capabilities to existing iOS and Android apps. The simplest analogy is Stripe for smart glasses:

Unity MCP (Server + Plugin)

IvanMurzak

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for fr

3.5K

AptiBuild AI — Career Intelligence

ParklandBuilds

AptiBuild AI MCP Server — career, labor market, and business idea intelligence for AI agents. 11 tools covering real-time FRED labor market signals, BLS wage data (126 occupations), AI-generated app ideas, career paths,