n8n MCP Tools Guide — 40+ Tools, nodeType Formats, and Validation Profiles

Expert guide to the n8n-mcp MCP server (40+ tools): tool selection strategy, the nodeType format distinction (nodes-base.* vs n8n-nodes-base.*), 4 validation profiles (minimal / runtime / ai-friendly / strict), smart parameters for IF/Switch branch routing, and how auto-sanitization works. Reach 91.7% success with essentials-based discovery; integrate MCP into AI workflows correctly.