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You can create a personalised Eliza OS Character using Mem0. This guide will walk you through the necessary steps and provide the complete code to get you started.

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Overview

ElizaOS is a powerful AI agent framework for autonomy & personality. It is a collection of tools that help you create a personalised AI agent.

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Setup

You can start by cloning the eliza-os repository: 
git clone https://github.com/elizaOS/eliza.git
Change the directory to the eliza-os repository: 
cd eliza
Install the dependencies: 
pnpm install
Build the project: 
pnpm build

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Setup ENVs

Create a .env file in the root of the project and add the following ( You can use the .env.example file as a reference): 
# Mem0 Configuration
MEM0_API_KEY= # Mem0 API Key ( Get from https://app.mem0.ai/dashboard/api-keys )
MEM0_USER_ID= # Default: eliza-os-user
MEM0_PROVIDER= # Default: openai
MEM0_PROVIDER_API_KEY= # API Key for the provider (openai, anthropic, etc.)
SMALL_MEM0_MODEL= # Default: gpt-4o-mini
MEDIUM_MEM0_MODEL= # Default: gpt-4o
LARGE_MEM0_MODEL= # Default: gpt-4o

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Make the default character use Mem0

By default, there is a character called eliza that uses the ollama model. You can make this character use Mem0 by changing the config in the agent/src/defaultCharacter.ts file. 
modelProvider: ModelProviderName.MEM0,
This will make the character use Mem0 to generate responses.

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Run the project

pnpm start

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Conclusion

You have now created a personalised Eliza OS Character using Mem0. You can now start interacting with the character by running the project and talking to the character. This is a simple example of how to use Mem0 to create a personalised AI agent. You can use this as a starting point to create your own AI agent.