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AI Agents · Lesson

Tool Use: How Agents Take Action

Discover why tool calling — letting the model invoke functions — is what transforms a chat model into an agent that affects the world.

Beyond talking

An LLM can only produce text. To really help, an agent needs tools: ways to act in the real world. 🛠️

What's a tool?

A tool is just a function the agent can call, like search the web, check the weather, or do some math.

All lessons in this course

  1. What Is an LLM-Based Agent?
  2. Prompts, Roles and System Messages
  3. Tool Use: How Agents Take Action
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