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Nodes are the building blocks of your agent graph. Each node appears on the canvas with inputs on the left, outputs on the right, and parameters you configure in the inspector. Use this reference to understand what each node does, what it expects, and what it produces.
Need a refresher on how nodes work in the UI? Start with the Nodes overview.

Agent

Configure agents, memory, models, and tools.

Trigger

Start graph runs from chats, schedules, or webhooks.

Flow

Route, merge, and control graph execution.

Utility

Parse, transform, and integrate with external systems.

Evaluator

Measure quality and score agent outputs.

Mocker

Simulate users and environments for testing.