louis030195/gptzero-mcp

MCP (Model Context Protocol) server for GPTZero AI detection API. Detect AI-generated text directly from Claude, ChatGPT, or any LLM that supports MCP.

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Features

• 🤖 Detect AI-generated text with confidence scores
• 🌍 Multilingual support (French, Spanish)
• 📊 Detailed probability breakdowns (AI/Human/Mixed)
• 🎯 High/medium/low confidence categories

Installation

Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on Mac or %APPDATA%\Claude\claude_desktop_config.json on Windows):

{
  "mcpServers": {
    "gptzero": {
      "command": "npx",
      "args": ["-y", "@louis030195/gptzero-mcp"],
      "env": {
        "GPTZERO_API_KEY": "your-gptzero-api-key"
      }
    }
  }
}

Claude Code

# Install globally in user scope with API key
claude mcp add -s user gptzero npx -e GPTZERO_API_KEY=your-gptzero-api-key -- -y @louis030195/gptzero-mcp

Get Your GPTZero API Key

1. Go to GPTZero
2. Sign up or log in
3. Navigate to API settings
4. Copy your API key

Usage

Once configured, you can use natural language to detect AI content:

• "Check if this text is AI-generated: [paste text]"
• "Analyze this document for AI detection"
• "What's the probability this was written by AI?"
• "Is this human or AI written?"

Tools

gptzero_detect

Detect if text was generated by AI.

Parameters:

• document (string, required): Text to analyze
• multilingual (boolean, optional): Enable multilingual detection for French/Spanish (default: false)

Returns:

• Predicted class (ai/human/mixed)
• Confidence category (high/medium/low)
• Probability scores for each class
• Detailed sentence-level analysis

gptzero_model_versions

Get available GPTZero model versions.

Returns: List of available model versions

Development

# Clone the repo
git clone https://github.com/louis030195/gptzero-mcp.git
cd gptzero-mcp

# Install dependencies
npm install

# Build
npm run build

# Run locally
GPTZERO_API_KEY=your-api-key npm start

API Documentation

See GPTZero API Docs for full API details.

License

MIT

Author

Louis Beaumont