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About

HOL Guard is a local-first runtime security layer for AI agents that watches what an AI assistant is about to do and stops risky actions before they happen. It sits between the agent and the computer, evaluating supported tool calls and local artifacts for threats such as secret and credential exposure, destructive commands, prompt-injection-driven actions, malicious or changed packages, risky MCP configuration, and unsafe plugins, skills, hooks, and settings. Known threats can be blocked automatically, while ambiguous actions are paused for user approval so people remain in control. Guard runs entirely on the developer’s machine, works offline, and does not upload files, prompts, or passwords. Local checks typically complete in under 50 milliseconds and require no changes to existing code or routines. It supports coding agents including Claude Code, Cursor, Codex, Gemini CLI, OpenCode, Hermes, and OpenClaw, with tailored integrations that inspect actions before execution.

About

MCP Defender is an open source desktop application that functions as an AI firewall, designed to monitor and protect Model Context Protocol (MCP) communications. It acts as a secure proxy between AI applications and MCP servers, analyzing all communications for potential threats in real-time. It automatically scans and protects all MCP tool calls, providing advanced LLM-powered detection of malicious activity. Users can manage the signatures used during scanning, allowing for customizable security measures. MCP Defender identifies and blocks common AI security threats, including prompt injection, credential theft, arbitrary code execution, and remote command injection. It supports integration with various AI applications such as Cursor, Claude, Visual Studio Code, and Windsurf, with more applications to be supported in the future. It offers intelligent threat detection, alerting users as soon as it identifies any malicious activity being performed by AI apps.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers and engineering teams in need of a tool to prevent AI coding agents from exposing secrets, executing destructive commands, or performing other risky actions

Audience

AI developers and security-conscious organizations seeking a solution to safeguard their AI applications against advanced threats by monitoring and protecting MCP communications in real-time

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$4.99 per month
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

HOL
Founded: 2024
United States
hol.org/guard

Company Information

MCP Defender
United States
mcpdefender.com

Alternatives

Alternatives

Spawn

Spawn

OpenRouter
nono

nono

Always Further
Huawei WAF

Huawei WAF

Huawei Cloud
Prisma AIRS

Prisma AIRS

Palo Alto Networks

Categories

Categories

Integrations

Cursor
GitHub
Antigravity CLI
Claude Code
Cloudflare
Devin Desktop
Figma
Gemini CLI
GitHub Copilot CLI
Grok
Hermes Agent
Meta AI
Model Context Protocol (MCP)
OpenAI
OpenAI Codex
OpenClaw
OpenCode
Slack
Visual Studio Code
ZCode

Integrations

Cursor
GitHub
Antigravity CLI
Claude Code
Cloudflare
Devin Desktop
Figma
Gemini CLI
GitHub Copilot CLI
Grok
Hermes Agent
Meta AI
Model Context Protocol (MCP)
OpenAI
OpenAI Codex
OpenClaw
OpenCode
Slack
Visual Studio Code
ZCode
Claim HOL Guard and update features and information
Claim HOL Guard and update features and information
Claim MCP Defender and update features and information
Claim MCP Defender and update features and information