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mcp/harbor
Cursor

prompt leak scanner for Cursor

io.github.guardbee/prompt-leak-scanner

Catches leaked credentials and PII in outbound LLM prompts

client:Cursor transport:stdio runtime:npm

Install prompt leak scanner in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json 

{
  "mcpServers": {
    "prompt-leak-scanner": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@guardbee/mcp-prompt-leak-scanner"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

prompt leak scanner in other clients

prompt leak scanner MCP server