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Cloakcheck

app.vercel.cloakcheck-wheat/cloakcheck · v1.0.0

Scan a page for hidden prompt-injection payloads targeting AI agents.

Connect Remote server

Terminal
claude mcp add --transport http cloakcheck https://cloakcheck-wheat.vercel.app/api/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "cloakcheck": {
      "url": "https://cloakcheck-wheat.vercel.app/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cloakcheck": {
      "type": "http",
      "url": "https://cloakcheck-wheat.vercel.app/api/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://cloakcheck-wheat.vercel.app/api/mcp

Tools 1 found in our last check

  • check_page_for_injection

    Scan a single web page for content planted to hijack an AI agent reading it -- invisible unicode (zero-width chars, the unicode 'tag' block used for steganographic prompt injection), CSS-hidden instruction text, and instruction-shaped language in alt/title/aria-label attributes…

Details

Endpointhttps://cloakcheck-wheat.vercel.app/api/mcp (Streamable HTTP)
First published13 Sep 2026
Last updated13 Sep 2026
Registry nameapp.vercel.cloakcheck-wheat/cloakcheck

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