Claude Desktop

PromptGuard for Claude Desktop

co.promptguard/security

Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client

client:Claude Desktop transport:streamable-http runtime:npm tools:13

Install PromptGuard in Claude Desktop

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

{
  "mcpServers": {
    "security": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.promptguard.co/mcp"
      ]
    }
  }
}

Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs

What Claude Desktop can do once it is connected

PromptGuard in other clients

PromptGuard MCP server