{"status": "healthy", "server": "instantly-mcp", "version": "1.0.0", "endpoints": {"mcp": "/mcp", "mcp_with_key": "/mcp/{api_key}"}, "authentication": {"methods": ["URL path: /mcp/YOUR_API_KEY", "Header: Authorization: YOUR_API_KEY", "Header: x-instantly-api-key: YOUR_API_KEY"], "note": "Bearer prefix is optional for Authorization header"}}