This comprehensive n8n workflow facilitates automated, intelligent contact management through integration of an MCP server, an AI language model (such as Claude), and KlickTipp. The workflow is triggered via a webhook from the MCP server, allowing for dynamic querying, segmentation, and updating of contacts in KlickTipp based on natural language commands or data inputs. Key features include contact retrieval, creation, updating, deletion, tagging, untagging, and opt-in process management, all orchestrated through seamless API calls. The system supports sophisticated use cases like contact lookup by email, geographic segmentation, targeted campaign automation, and data field management. Practical applications are vast, suitable for marketing automation, customer engagement, and efficient contact data handling, making it ideal for businesses seeking scalable, AI-enhanced email marketing workflows.