MCP Defender is an AI app security tool that protects AI applications from security threats. It acts as a secure proxy, scanning and filtering MCP tool calls in real time to block prompt injection and other malicious activities.
MCP Defender is an AI app security tool designed to safeguard AI applications like Cursor from various security threats. It functions as a secure proxy, actively scanning and filtering all Model Context Protocol (MCP) tool calls in real-time. This advanced protection system employs both LLM-powered detection and deterministic signatures to identify and block malicious activities such as prompt injection, tool poisoning, credential theft, and command injection. The tool operates in the background, ensuring ultra-fast detection without slowing down your AI apps. It supports integration with various AI applications and allows users to choose their preferred LLM provider and API keys. MCP Defender is open source, licensed under AGPL-3.0, and offers comprehensive protection against evolving AI security risks.
Best used for
Ideal for developers and data scientists who need to secure their AI applications against sophisticated cyber threats, prevent prompt injection, and protect sensitive data. Especially valuable for those using tools like Cursor and other MCP-integrated AI apps, ensuring real-time threat detection and control over scanning processes.
Freemium ยท Enterprise ยท Open Source ยท Starting at USD 0.00
Use MCP Defender for free with your whole team. | STARTER $0 Free for everyone Unlimited members 250 transactions No support Start for free BASIC $29.
FAQs
What types of security threats does MCP Defender protect against?
MCP Defender provides comprehensive protection against various AI security threats, including prompt injection, tool poisoning, credential theft, arbitrary code execution, and remote command injection. It identifies and blocks these malicious activities before they can cause damage to your AI applications and data.
Can I use MCP Defender with my own LLM provider and API keys?
Yes, MCP Defender is designed to be flexible. You can use it with your preferred Large Language Model (LLM) provider and integrate your own API keys. This allows for greater control and customization over your AI security setup, aligning with your existing infrastructure.
Is MCP Defender an open-source tool?
Yes, MCP Defender is an open-source project. It is licensed under AGPL-3.0, which means its source code is publicly available for review, modification, and distribution. This promotes transparency and community collaboration in enhancing AI security.
What is the difference between the Basic and Enterprise plans?
The Basic plan offers unlimited members, transactions, and teams, along with features like Mainline AI, reporting, and analytics. The Enterprise plan includes all Basic features plus advanced security controls, migration support, and dedicated account management, with custom pricing for larger organizations.