Genkit MCP

# xAI Hello Sample Simple sample demonstrating the xAI (Grok) plugin for Genkit. ## Setup ```bash export XAI_API_KEY=your_api_key_here ``` ## Run ```bash cd py/samples/xai-hello uv run python src/xai_hello.py ``` ## Features - Simple text generation - Streaming generation - Custom configuration (temperature, max_output_tokens) - xAI-specific parameters (reasoning_effort)