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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

MCP Defender is an innovative open-source desktop application that serves as an AI firewall, specifically designed to oversee and safeguard communications related to the Model Context Protocol (MCP). By functioning as a secure proxy between AI applications and MCP servers, it meticulously analyzes all communications in real-time to detect potential threats. This application automatically scans and secures all MCP tool calls, leveraging advanced LLM capabilities to identify malicious activities effectively. Users have the flexibility to manage the signatures utilized during the scanning process, enabling tailored security measures that fit their specific needs. MCP Defender excels in recognizing and preventing a range of AI security threats, such as prompt injection, credential theft, arbitrary code execution, and remote command injection. It seamlessly integrates with numerous AI applications, including Cursor, Claude, Visual Studio Code, and Windsurf, with plans for expanded compatibility in the future. The application provides intelligent threat detection and promptly alerts users as soon as it detects any malicious actions perpetrated by AI applications, ensuring a robust defense against evolving threats. Ultimately, MCP Defender empowers users with enhanced security and peace of mind in their AI interactions.

Description

Workplace use of AI tools such as ChatGPT, Copilot, Claude, Perplexity and DeepSeek has surged, often without oversight from IT departments. More than 92% of employees now use generative AI at work, exposing financial data, API keys, passwords, source code and personal records. Traditional Data Loss Prevention (DLP) solutions and proxies were not built for this new threat. Enter ZeusLock, a DLP solution designed specifically for the AI era. It analyzes prompts, files and images in real time and detects, anonymizes or blocks sensitive data before it reaches any AI service. Deployment takes about two minutes through a browser extension and an endpoint agent for Windows, macOS and Linux, protecting web apps, desktop apps, IDEs, terminals and AI agents, including their connections through the Model Context Protocol (MCP). Each data type is set to Off, Alert or Block per policy; Alert mode can anonymize values while preserving their format, and every incident is logged in masked form for auditing. ZeusLock also stops prompt injection and jailbreak attacks, and its Shadow AI Discovery maps the AI tools employees actually use, with risk scores and approval status. Detection relies on a dedicated multimodal language model backed by deterministic rules, hosted in Europe, or fully on-premise with the Sovereign Edition, with no US cloud dependency. This approach lets organizations embrace AI tools with confidence while keeping their data secure.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Claude Yes 
Claude Duet Yes 
Claude for Legal Yes 
Cloudflare Yes 
Cursor Yes 
Devin Desktop Yes 
Figma Yes 
GitHub Yes 
Meta AI Yes 
Model Context Protocol (MCP) No 
OpenAI Yes 
Visual Studio Code Yes 

Integrations

Claude No 
Claude Duet No 
Claude for Legal No 
Cloudflare No 
Cursor No 
Devin Desktop No 
Figma No 
GitHub No 
Meta AI No 
Model Context Protocol (MCP) Yes 
OpenAI No 
Visual Studio Code No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac Yes 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) Yes 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Vendor Details

Company Name

MCP Defender

Country

United States

Website

mcpdefender.com

Vendor Details

Company Name

ZeusLock

Founded

2025

Country

France

Website

zeuslock.ai

Product Features

Product Features

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