# Protocol Kit Reference

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  The `SafeFactory` class has been removed from the Protocol Kit and its functionality has been moved to the `Safe` class. Check the [Protocol Kit v5 migration guide](http://localhost:3000/sdk/protocol-kit/guides/migrate-to-v5) to get more details.
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The [Protocol Kit](https://github.com/safe-global/safe-core-sdk/tree/main/packages/protocol-kit) facilitates the interaction with the Safe smart account contracts.

## Install dependencies

To add the Protocol Kit to your project, run:

```bash
yarn add @safe-global/protocol-kit
```