Prompt Leak Scanner MCP Server

by guardbeeio.github.4hmetuyar/prompt-leak-scannerv0.1.6

Catches leaked credentials and PII in outbound LLM prompts

1Node.jsstdioofficial registry

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Active4d ago

Install Prompt Leak Scanner MCP server

claude mcp add prompt-leak-scanner -- npx -y @guardbee/mcp-prompt-leak-scanner

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

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

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

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

Add to .vscode/mcp.json in your workspace.

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

Add to ~/.codeium/windsurf/mcp_config.json.

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-06 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-02 · 8d ago · official registry · v0.1.6

FAQ

›How do I install the Prompt Leak Scanner MCP server in Claude Code?

Run: claude mcp add prompt-leak-scanner -- npx -y @guardbee/mcp-prompt-leak-scanner. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Prompt Leak Scanner require an API key?

No required environment variables are declared in its published metadata.

›Can I use Prompt Leak Scanner as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Prompt Leak Scanner in the official MCP registry?

Yes, as io.github.4hmetuyar/prompt-leak-scanner.