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MCP Security Guard

MCP server · by petrovicistefan

Security npm v0.9.0

Audit MCP servers for tool poisoning, rug pulls and supply-chain risk (OWASP MCP Top 10).

View source ↗ Website ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

npmnpx -y mcp-security-guard

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "mcp-security-guard": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-security-guard"
      ]
    }
  }
}

About this server

MCP Security Guard is listed in the Security category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the MCP Security Guard MCP server?

MCP Security Guard is an MCP server by petrovicistefan. Audit MCP servers for tool poisoning, rug pulls and supply-chain risk (OWASP MCP Top 10).

How do I install MCP Security Guard?

Install it with: npx -y mcp-security-guard. Then add the JSON config to your client's MCP settings and restart the client.

Is MCP Security Guard free to use?

The MCP server itself is free to install. The source is public on https://github.com/petrovicistefan/mcp-security-guard. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support MCP Security Guard?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.