Show HN: MCP Defender – OSS AI Firewall for Protecting MCP in Cursor/Claude etc.

Re:Show HN: MCP Defender – OSS AI Firewall for Protecting MC... by adithyassekhar on Saturday May 31, 2025 @01:09AM (#44141980)

I know I'm being extremely ignorant here, you are seeing my thought process live, but antivirus/firewall for AI? I'm sure the likes of Bitdefender etc. will start including something like this if it's real. I just can't believe any of this is real. After computers and phone, is AI the next market for antiviruses, 1 click optimizing tools and registry cleaners?

Kudos to you for making something, but if this is the next gold rush I want a piece of it too. Never took this AI, mcp, cursor business seriously because I thought of them as just poor boiler plates for web dev. I was wrong.

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Re:Show HN: MCP Defender – OSS AI Firewall for Protecting MC... by gsundeep on Saturday May 31, 2025 @03:02AM (#44142445)

We used Cursor + MCP tools like Cloudflare, Linear and Github to build and deploy a lot of MCP Defender, so I think the value is real. I had the same thought about it feeling like an antivirus/firewall many of us ran decades ago. Those always felt clunky and slowed down your computer. We'll try our best to avoid that fate

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