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Agents#

An "agent" is an automated reasoning and decision engine. It takes in a user input/query and can make internal decisions for executing that query in order to return the correct result. The key agent components can include, but are not limited to:

  • Breaking down a complex question into smaller ones
  • Choosing an external Tool to use + coming up with parameters for calling the Tool
  • Planning out a set of tasks
  • Storing previously completed tasks in a memory module

LlamaIndex provides a comprehensive framework for building agents. This includes the following components:

  • Using agents with tools at a high-level to build agentic RAG and workflow automation use cases
  • Low-level components for building and debugging agents
  • Core agent ingredients that can be used as standalone modules: query planning, tool use, and more.

Use Cases#

The scope of possible use cases for agents is vast and ever-expanding. That said, here are some practical use cases that can deliver immediate value.

  • Agentic RAG: Build a context-augmented research assistant over your data that not only answers simple questions, but complex research tasks. Here are two resources (resource 1, resource 2) to help you get started.

  • SQL Agent: A subset of the above is a "text-to-SQL assistant" that can interact with a structured database. Check out this guide to see how to build an agent from scratch.

  • Workflow Assistant: Build an agent that can operate over common workflow tools like email, calendar. Check out our GSuite agent tutorial.

  • Coding Assistant: Build an agent that can operate over code. Check out our code interpreter tutorial.

Resources#

Using Agents with Tools

The following component guides are the central hubs for getting started in building with agents:

Building Custom Agents

If you're interested in building custom agents, check out the following resources.

Building with Agentic Ingredients

LlamaIndex has robust abstractions for every agent sub-ingredient.

LlamaHub#

We offer a collection of 40+ agent tools for use with your agent in LlamaHub ๐Ÿฆ™.