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Posts tagged #troubleshooting
n8n Items & Expressions: A Mental Model
Most n8n expression errors are one mental-model bug: thinking in variables instead of items. The items model, $json, $('Node'), pairing — and 5 fixes.
MCP + n8n Troubleshooting: 3 Common Fixes
MCP in n8n breaks in three predictable places: stripped headers, OAuth re-auth loops, and queue mode. Diagnosis and fixes for each, from real issues.