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Agents: A First Look

What you'll be able to do

See what an agent actually is, a short loop around a model, and the few guards that decide whether it is safe to give it tools.

⌁ The same loop sits inside tool-using assistants; agent development kits and the Model Context Protocol are common ways to connect a model to tools.
Start this internship
Create an account to unlock the 4 sections, the workbench, and askThili.
Begin

Sections

1. Why this course: from the agents in your syllabus to the agents being built now
🔒 locked
2. The Loop, by Hand
🔒 locked
3. The Same Loop with a Real Model, and the Kits
🔒 locked
4. Make It Fail, Then Guard It
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Dig deeper

📄ReAct: Synergizing Reasoning and Acting in Language Models (Yao et al., 2022)
paper
🔗Model Context Protocol specification, Tools (revision 2025-06-18)
article
🔗OpenAI Agents SDK, quickstart
article
🔗Groq documentation, tool use
article