SmuggleCheck MCP Server: Install & Setup

Install SmuggleCheck in Claude Code

Claude Code

claude mcp add --transport http smugglecheck https://smugglecheck.mike-tusa.workers.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "smugglecheck": {
      "url": "https://smugglecheck.mike-tusa.workers.dev/mcp"
    }
  }
}

Frequently asked questions

What does the SmuggleCheck MCP server do?

Find hidden prompt-injection text: ASCII smuggling, zero-width/emoji stego, bidi, homoglyphs.

Is the SmuggleCheck MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does SmuggleCheck run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add SmuggleCheck to Claude Code?

Run: claude mcp add --transport http smugglecheck https://smugglecheck.mike-tusa.workers.dev/mcp

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