Data Nodes
Input, Output, Value – get data in and out.
Execution Nodes
Prompt, Workflow – run AI or nest workflows.
Knowledge Search
Query a knowledge base for context.
Script
Run custom code.
Transform Nodes
String, Array, JSONPath – reshape data.
Fanout
Process items in parallel.
Control Flow
If, Switch – conditional branching.
Loop
Repeat operations.
Assertion
Validate conditions, fail fast.