Core Nodes

Core nodes are the primary building blocks of every StackAI workflow — the AI reasoning layer, the knowledge retrieval layer, and the platform utility layer.

These nodes handle the heavy lifting: reasoning over prompts, retrieving context from data, and calling StackAI's platform features.

In this section

Topic

AI Agent Node Configure LLM reasoning, tools, knowledge sources, and agentic behavior.

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AI Agent Node

Topic

Knowledge Bases Connect document stores and structured data for retrieval-augmented generation.

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Knowledge Bases

Topic

StackAI Access StackAI platform features like Human-in-the-Loop from within a workflow.

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StackAI

Start with the AI Agent Node

• The AI Agent Node is the core reasoning unit — configure it first.

• Add Knowledge Bases to give your agent access to documents or data.

• Use Human in the Loop when workflows need human review before proceeding.