Episode 3 – Visual Guide to Core Concepts: Model, Tool, and Agent Loop

This article breaks down the three foundational elements of agent programming—Model, Tool, and the Agent Loop—showing how to obtain and configure models, define tools with TypeBox, and manage the reasoning‑tool‑feedback cycle, complete with code examples and a flow diagram.

AI agentsAgent loopJavaScript

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Episode 3 – Visual Guide to Core Concepts: Model, Tool, and Agent Loop

CodePath

Jun 8, 2026 · Artificial Intelligence

Run Your First Pi‑AI Agent in Under 10 Minutes

This tutorial walks you through preparing the environment, initializing a Node.js project, writing the first Pi‑AI agent code, using both simple and streaming calls, swapping providers with a single parameter change, and building a continuous‑conversation CLI—all in less than ten minutes.

LLMModel SwitchingNode.js

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Run Your First Pi‑AI Agent in Under 10 Minutes