> For the complete documentation index, see [llms.txt](https://8bit-1.gitbook.io/solibrary/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://8bit-1.gitbook.io/solibrary/local-validator.md).

# Local Validator

### Prerequisites. <a href="#prerequisites" id="prerequisites"></a>

Before running Amman your system will need to have a few things installed on your system.

* [Rust](https://www.rust-lang.org/tools/install)
* [Solana CLI](https://docs.solanalabs.com/cli/install)
* [NodeJs](https://nodejs.org/en/download)

### Installation <a href="#installation" id="installation"></a>

Once you have initiated a new or opened an existing project you can install Amman via a package manager.

```
npm i @metaplex-foundation/amman
```

### Add to Scripts (optional) <a href="#add-to-scripts-optional" id="add-to-scripts-optional"></a>

For ease of use you may wish to add the execution of Amman to your package.json scripts.

package.json

JavaScript

```
"scripts": {
    ...
    "amman:start": "npx amman start"
  },
```