# How to use the Agent App

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This guide will show you how to <mark style="color:blue;">**install and use the Agent App**</mark>.
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### Introduction

The Agent app (or Aragon Agent) is an Aragon app that can be installed in any Aragon DAO. It's main feature is its ability to perform arbitrary calls to contracts. This means it can be thought of as the **external interface of a DAO**.

Put another way:

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Aragon Agent is a fully-fledged Ethereum account owned by an Aragon organization. **It's like a multi-signature account on steroids that enables organizations to interact with any Ethereum contract or protocol.** For example trading tokens on 0x or Uniswap, opening a Maker CDP, managing names in ENS, owning digital LAND parcels, or even breeding digital cats.
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In technical terms, it's a superset of the [Vault app](https://github.com/aragon/aragon-apps/tree/master/apps/vault), which means it can hold valuable assets (ETH and [ERC-20](https://en.wikipedia.org/wiki/ERC-20) tokens).

Concretely, the Agent app allows for things like:

* An Aragon DAO to interact with other Ethereum smart contracts or protocols without the need to implement a custom Aragon app for every protocol.
* Members of DAOs to identify themselves as their DAO when using any Ethereum dApp.
* An Aragon DAO to participate as a stakeholder in another DAO.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://legacy-docs.aragon.org/developers/tools/guides/the-agent-app.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.