---
description: Wrangler is the CLI for the Cloudflare Developer Platform. Use it to build, test, and deploy Workers projects.
title: Wrangler
image: https://developers.cloudflare.com/og-docs.png
---

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> 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.

# Wrangler

Last updated Jul 3, 2026|Copy as Markdown|[View as Markdown](https://developers.cloudflare.com/workers/wrangler/index.md)|[Agent setup](https://developers.cloudflare.com/agent-setup/)

Wrangler, the Cloudflare Developer Platform command-line interface (CLI), allows you to manage Worker projects.

* [Install/Update Wrangler](https://developers.cloudflare.com/workers/wrangler/install-and-update/): Get started by installing Wrangler, and update to newer versions by following this guide.
* [API](https://developers.cloudflare.com/workers/wrangler/api/): A set of programmatic APIs that can be integrated with local Cloudflare Workers-related workflows.
* [Commands](https://developers.cloudflare.com/workers/wrangler/commands/): Create, develop, and deploy your Cloudflare Workers with Wrangler commands.
* [Authentication profiles](https://developers.cloudflare.com/workers/wrangler/profiles/): Maintain separate logins and switch accounts per directory.
* [Bundling](https://developers.cloudflare.com/workers/wrangler/bundling/): Review Wrangler's default bundling.
* [Configuration](https://developers.cloudflare.com/workers/wrangler/configuration/): Use a configuration file to customize the development and deployment setup for your Worker project and other Developer Platform products.
* [Custom builds](https://developers.cloudflare.com/workers/wrangler/custom-builds/): Customize how your code is compiled, before being processed by Wrangler.
* [Deprecations](https://developers.cloudflare.com/workers/wrangler/deprecations/): The differences between Wrangler versions, specifically deprecations and breaking changes.
* [Environments](https://developers.cloudflare.com/workers/wrangler/environments/): Use environments to create different configurations for the same Worker application.
* [Migrations](https://developers.cloudflare.com/workers/wrangler/migration/): Review migration guides for specific versions of Wrangler.
* [System environment variables](https://developers.cloudflare.com/workers/wrangler/system-environment-variables/): Local environment variables that can change Wrangler's behavior.

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## On this page

[![](https://developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://developers.cloudflare.com/)

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