Habits prompt-injection guard

Connect Remote server

claude mcp add --transport http habits-guard https://habits.darmousseh.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "habits-guard": {
      "url": "https://habits.darmousseh.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "habits-guard": {
      "type": "http",
      "url": "https://habits.darmousseh.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://habits.darmousseh.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 3 found in our last check

• check_prompt

  Is this user-typed text a prompt injection or jailbreak (an attempt to override, hijack or extract an AI system's instructions)? Returns flagged true/false and a 0-1 score. Without a key it uses the public guard (30 checks per day per network). With a key it uses your own guard,…

• teach_guard

  Label one prompt for your own guard so it stops repeating a mistake (a false alarm on a normal request, or a missed injection). Needs an API key (get_free_key). About 50 of your own labels cut false alarms from 15% to 4% in our benchmark.

• get_free_key

  Create a free Habits account and API key (no email). The key is shown once; set it as the Authorization: Bearer header for this MCP server. The free plan has a fixed $0.10/day spend cap and its own trainable injection guard.

Headers

Details

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