# Using Magnet Stack : Virtual Machine Configuration

You may choose VMs from EVM, WASM and MoveVM. You must input chain ID if you choose EVM.

{% hint style="info" %}
Chain ID is a unique number for each EVM-compatible blockchain network.

Visit [Chainlist](https://chainlist.org/) to check if your chosen Chain ID has been used or to register your ID.
{% endhint %}

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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://doc.magport.io/product-guides/develop-coretime-ready-chain-with-magnet-stack/using-magnet-stack-virtual-machine-configuration.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.