MCP Defender
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Watch how MCP Defender protects Cursor in real-time
WHY MCP DEFENDER?
Intelligent Threat Detection
MCP Defender will alert you as soon it identifies any malicious activity being performed by your AI apps
Control How You Scan
Choose Your LLM Provider
Use MCP Defender with your preferred AI provider or our hosted service for seamless security.
Open Source
Check out MCP Defender on GitHub
Automatic Protection
MCP Defender acts as a secure proxy between your AI applications and MCP servers, analyzing all communications for potential threats in real-time. Cursor, Claude, Visual Studio Code and Windsurf are supported, with more coming soon.
SECURITY THREATS
What We Protect Against
MCP Defender identifies and blocks these common AI security threats before they can cause damage
Prompt Injection
Manipulate an LLM with malicious instructions
Credential Theft
Read or transmit sensitive credentials like SSH keys
Arbitrary Code Execution
Unsanitized execution of malicious code
Remote Command Injection
Gives an attacker remote shell access