Is Mcp Guardian safe to use?

Mcp Guardian has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.

How do I install Mcp Guardian?

Mcp Guardian can be installed by cloning its GitHub repository and following the setup instructions in the README.

What AI clients work with Mcp Guardian?

Mcp Guardian is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is Mcp Guardian actively maintained?

Mcp Guardian is less actively maintained — last commit was 294 days ago. It has 199 GitHub stars.

Mcp Guardian

Name: Mcp Guardian
Author: eqtylab

by eqtylab

Manage / Proxy / Secure your MCP Servers

199 0 tools GitHub

No known CVEs

Apache-2.0 license

Stale

Last commit 294d ago

Works with most clients

Transport: stdio, http

0 tools

Grade F

Edit this pageView history

Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "<see-readme>",
      "args": []
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/mcp-guardian)](https://mcppedia.org/s/mcp-guardian)

Read me

What Mcp Guardian does

MCP Guardian manages your LLM assistant's access to MCP servers, handing you realtime control of your LLM's activity.

Test This Server

This server supports HTTP transport. Be the first to test it — help the community know if it works.

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

32/100across 5 weighted dimensions

How we score →

0255075100

−68

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

No package registry to scan.

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Mcp Guardian safe to use?: Mcp Guardian has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.
How do I install Mcp Guardian?: Mcp Guardian can be installed by cloning its GitHub repository and following the setup instructions in the README.
What AI clients work with Mcp Guardian?: Mcp Guardian is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is Mcp Guardian actively maintained?: Mcp Guardian is less actively maintained — last commit was 294 days ago. It has 199 GitHub stars.

Similar servers

Others in security

View all →

Evil Mcp Server93

An evil MCP server used for redteam testing

30 1

io.github.jasonxkensei/xproof92

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

1 1

Ida Pro Mcp92

AI-powered reverse engineering assistant that bridges IDA Pro with language models through MCP.

9.0k 3

Nothumanallowed91

Security-first platform for AI agents. 38 specialized agents, 15 AI-powered extensions, zero-knowledge multi-agent orchestration. SENTINEL WAF, Ed25519 auth, 2.6M grounding facts.

97 5

MCP Security Weekly

Get CVE alerts and security updates for Mcp Guardian and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-guardian": {
      "command": "<see-readme>",
      "args": []
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/mcp-guardian)](https://mcppedia.org/s/mcp-guardian)

Read me

What Mcp Guardian does

MCP Guardian manages your LLM assistant's access to MCP servers, handing you realtime control of your LLM's activity.

Test This Server

This server supports HTTP transport. Be the first to test it — help the community know if it works.

README

MCP Guardian

mcp-guardian.org

Overview

MCP Guardian manages your LLM assistant's access to MCP servers, handing you realtime control of your LLM's activity.

📜 Message Logging - See traces for all of an LLM's MCP server activity

💂 Message Approvals - Approve and deny individual tool call messages in real time

🤖 Automated Message Scans - Realtime automated checks for safety, privacy, etc (Coming Soon)

MCP Guardian also makes it a breeze to manage multiple MCP server configurations. Quickly switch between server collections without having to manually manage configuration files for your MCP host applications.

Development

This project uses nix to manage a development environment that can be used on Linux and macOS.

Quick Start - Linux / macOS

Install nix
Enable nix flakes

sudo sh -c 'echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf'

Enter dev shell

nix develop

Build project

just build-release

mcp-guardian and mcp-guardian-proxy are now in _build/bin/ which is in PATH of the dev shell.

Quick Start - Windows

Install git with symlink support (otherwise you will need to restore ./mcp-guardian/bindings before building).
Install rustup.
Install nodejs.
Install yarn.

npm install --global yarn

Install .dll dependencies. The easiest way to do this is to install Visual Studio and install the C++ development packages.
Install just

cargo install just

Enter repo root with git-bash (otherwise just won't work and you'll need to call cargo directly)
Build project

just build-release

Justfile

Available recipes:
    build
    build-release
    clean
    do DIR +RECIPE
    do-all +RECIPE
    fmt
    fmt-check
    lint
    readme-check
    readme-update
    test

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

32/100across 5 weighted dimensions

How we score →

0255075100

−68

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

No package registry to scan.

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Mcp Guardian safe to use?: Mcp Guardian has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.
How do I install Mcp Guardian?: Mcp Guardian can be installed by cloning its GitHub repository and following the setup instructions in the README.
What AI clients work with Mcp Guardian?: Mcp Guardian is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is Mcp Guardian actively maintained?: Mcp Guardian is less actively maintained — last commit was 294 days ago. It has 199 GitHub stars.

Similar servers

Others in security

View all →

Evil Mcp Server93

An evil MCP server used for redteam testing

30 1

io.github.jasonxkensei/xproof92

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

1 1

Ida Pro Mcp92

AI-powered reverse engineering assistant that bridges IDA Pro with language models through MCP.

9.0k 3

Nothumanallowed91

Security-first platform for AI agents. 38 specialized agents, 15 AI-powered extensions, zero-knowledge multi-agent orchestration. SENTINEL WAF, Ed25519 auth, 2.6M grounding facts.

97 5

MCP Security Weekly

Get CVE alerts and security updates for Mcp Guardian and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?