What is MCP Defender?

MCP Defender is a desktop app that protects Cursor and other AI apps on your computer from security threats by monitoring MCP communications.

Which AI apps are supported?

Cursor, Claude, Visual Studio Code and Windsurf.

Which threats does it block?

Prompt injection, tool poisoning, credential theft, arbitrary code execution and remote command injection, among others.

Yes. MCP Defender is open source and licensed under AGPL-3.0.

Can I use my own LLM provider?

Yes. You can use MCP Defender with your preferred LLM and your own API keys.

What is MCP Defender's monthly traffic and growth trend?

MCP Defender currently receives 0 monthly visits, with a month-over-month traffic change of +0 (0% growth rate). Its primary source market is Global (— share), including 0 direct visits/mo and 0 organic search visits/mo.

Is MCP Defender free? What is its pricing model?

MCP Defender operates on a Free pricing model. Free. Open source under the AGPL-3.0 license. You can use your preferred LLM provider with your own API keys. Supported billing and checkout platforms include: not listed.

MCP Defender — AI App Security for Cursor & Other AI Apps

OpenAITools

Top 12 MCP Defender Alternatives & Competitors

Side-by-side telemetry comparison of competing AI tools in the same primary category

View All MCP Defender Alternatives →Explore all Large Language Models (LLMs) tools →

Rank	AI Tool	Monthly Visits	MoM Growth	Stickiness	Pricing	Head-to-Head
●	MCP Defender	0	0%	—	Free	Current
1	ChatGPT	6B	+5%	—	Freemium	vs ChatGPT
2	Google Gemini	3B	+0.9%	—	Freemium	vs Google Gemini
3	DeepSeek	357.4M	+1%	78% Direct	Freemium	vs DeepSeek
4	OpenAI Platform	259.46M	+27%	43% Direct	Paid	vs OpenAI Platform
5	Google AI Studio	110.43M	-2.3%	54% Direct	Freemium	vs Google AI Studio
6	Perplexity	91.71M	-3.7%	72% Direct	Freemium	vs Perplexity