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AI glossary

What is AI Agent?

A system where a language model decides which actions to take, uses tools, observes results and repeats until a task is done.

Agents need guardrails: step and budget limits, tool errors as text, human approval for risky actions and full tracing.

▶Practice it hands-onThe Agent Loop

Related terms

Function Calling (Tool Use)Multi-Agent SystemMCP (Model Context Protocol)

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