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mcp/harbor
Claude Desktop

security proxy for Claude Desktop

io.github.guardbee/security-proxy

MCP gateway: many servers, one policy, lethal-trifecta blocking, PII masking, audit log

client:Claude Desktop transport:stdio runtime:npm

Install security proxy in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json 

{
  "mcpServers": {
    "security-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "@guardbee/mcp-security-proxy"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

security proxy in other clients

security proxy MCP server