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Code Applied delivers practical, bite-sized tutorials on data science, AI agents, automation, and more. Each post packs real code, clear insights, and weekend-worthy experiments to level up your skills. Learn fast. Build smart. Apply what matters.

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Create an AI Agent with RAG in Two Simple Steps

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Using the framework Agno, it is simple to augment the agent’s capabilities.

I remember the first time I heard about the word RAG, it sounded like something from another world.

If you also feel that way, you have come to the right place. Stay with me in this tutorial, so we can demystify this concept together.

In this article, we will build an agent that can answer questions about a PDF file by retrieving information from it. Let’s dive in.

Retrieval-Augmented Generation | Image generated by AI. Meta, 2025. https://meta.ai

What is RAG?

Retrieval-Augmented Generation, or just RAG, is nothing more than adding some more information in a box that the Large Language Model (LLM) can access and get information from.

RAG is a store where the LLM can shop for information before returning an answer

Machines can store a lot more information than we do. But they (still) can’t store all the information available. Besides being impractical and probably very costly, there is also the problem of information security and new information being generated every single day.

For example, if we ask anything about our daily jobs to an LLM, it will probably say it does not have that information, or it will hallucinate and invent…

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Code Applied
Code Applied

Published in Code Applied

Code Applied delivers practical, bite-sized tutorials on data science, AI agents, automation, and more. Each post packs real code, clear insights, and weekend-worthy experiments to level up your skills. Learn fast. Build smart. Apply what matters.

Gustavo R Santos
Gustavo R Santos

Written by Gustavo R Santos

Data Scientist | I solve business challenges through the power of data. | Visit my site: https://gustavorsantos.me

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