180  mcp-guardian(1) - Kailash Tool Reference

180.1 mcp-guardian

mcp-guardian - MCP Guardian — proxy and guard layer for exercising MCP server controls (allow-lists, ratelimits) from the attacker side.

Layer ATTACK
Category a-03-agentic-mcp-tool-use
Safety class safe
Licence Apache-2.0
Upstream github.com/eqtylab/mcp-guardian

180.1.1 NAME

mcp-guardian - MCP Guardian — proxy and guard layer for exercising MCP server controls (allow-lists, ratelimits) from the attacker side.

180.1.2 SYNOPSIS & usage

Derived from the upstream README at generation time; verify against --help where the tool is installed.

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

180.1.3 DESCRIPTION (upstream)

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

180.1.4 SEE ALSO

ref: v0-unstable-2025-04-10 - verified 2026-10-14