---
title: Core
description: Core Miniflare features for testing Cloudflare Workers, including fetch events and compatibility settings.
image: https://developers.cloudflare.com/dev-products-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/workers/llms.txt  
> Use this file to discover all available pages before exploring further.

[Skip to content](#%5Ftop) 

# Core

* [ Compatibility Dates ](https://developers.cloudflare.com/workers/testing/miniflare/core/compatibility/)
* [ Fetch Events ](https://developers.cloudflare.com/workers/testing/miniflare/core/fetch/)
* [ Modules ](https://developers.cloudflare.com/workers/testing/miniflare/core/modules/)
* [ Multiple Workers ](https://developers.cloudflare.com/workers/testing/miniflare/core/multiple-workers/)
* [ Queues ](https://developers.cloudflare.com/workers/testing/miniflare/core/queues/)
* [ Scheduled Events ](https://developers.cloudflare.com/workers/testing/miniflare/core/scheduled/)
* [ Variables and Secrets ](https://developers.cloudflare.com/workers/testing/miniflare/core/variables-secrets/)
* [ Web Standards ](https://developers.cloudflare.com/workers/testing/miniflare/core/standards/)
* [ WebSockets ](https://developers.cloudflare.com/workers/testing/miniflare/core/web-sockets/)

```json
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```