n8n Workflow SDK

Build, test, validate, and manage n8n workflows programmatically using the @n8n/workflow-sdk. This skill enables code-based workflow construction with full validation, JSON round-tripping, and testing support.

When You Need More Detail

This skill uses progressive disclosure. The SKILL.md covers the full workflow, decision-making, and quick-reference API. For complete patterns and examples, read these reference files:

• references/workflow-building.md — Workflow creation, settings, JSON import/export, and complete building patterns
• references/nodes-and-connections.md — All node factories, subnodes (AI/LangChain), connection patterns, and credentials
• references/control-flow.md — IF/Else, Switch/Case, Split in Batches, Merge, error handling, and branching
• references/expressions-and-code.md — Expression system, Code node helpers, fromAi, and expression context
• references/validation-and-testing.md — Workflow validation, pin data, test data generation, and testing strategies
• references/code-generation.md — JSON-to-code, code-to-JSON, parseWorkflowCode, and the generation pipeline
• references/plugins-and-advanced.md — Plugin system, type generation, Zod schemas, and extensibility
• references/node-registry-official.json — Cached registry of all 556 official n8n nodes (name, version, description)
• references/node-registry-community.json — Cached registry of community nodes (name, version, packageName)
• references/node-registry-properties.jsonl — Node properties/parameters (one JSON line per node, grep for a specific node)