prompt-protection MCP Server: Install & Setup

Install prompt-protection in Claude Code

Claude Code

claude mcp add prompt-protection -- npx -y prompt-protection

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

{
  "mcpServers": {
    "prompt-protection": {
      "command": "npx",
      "args": [
        "-y",
        "prompt-protection"
      ]
    }
  }
}

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add prompt-protection -- npx -y prompt-protection

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