n8n Node Guide: Workflow Tool

Description

AI & LangChain node in n8n.

What It Does

Let an agent call an entire sub-workflow as a tool.

When To Use It

Complex reusable logic: order lookup, report generation, multi-step ops.

Key Parameters

Workflow, Description, Input/Output schema

Common Mistakes

The sub-workflow must accept the agent input and return a string result.

Example

Agent + Workflow Tool (order-lookup workflow) -> support agent with order data.

FAQ

Is this node included in n8n Community Edition?

Yes – Workflow Tool ships with the free Community Edition. No paid license needed.

Use for logic too complex for a single Code Tool.?

Where does it fit in a workflow?

Workflow Tool works with any other node – connect it after a trigger or data node, and feed its output into the next step. Standard n8n data flow: trigger -> transform -> act.

Is support included?

Yes – message the seller through the store and I will help you wire this node.