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We're excited to share that you can now use Playwright's browser automation capabilities ↗ from Cloudflare Workers. Playwright ↗ is an open-source package developed by Microsoft that can do browser automation tasks; it's commonly used to write software tests, debug applications, create screenshots, and crawl pages. Like Puppeteer, we forked ↗ Playwright and modified it to be compatible with Cloudf
This guide will show you how to deploy your own remote MCP server on Cloudflare, with two options: Without authentication — anyone can connect and use the server (no login required). With authentication and authorization — users sign in before accessing tools, and you can control which tools an agent can call based on the user's permissions. You can start by deploying a public MCP server ↗ without
The Agents SDK enables you to build and deploy AI-powered agents that can autonomously perform tasks, communicate with clients in real time, call AI models, persist state, schedule tasks, run asynchronous workflows, browse the web, query data from your database, support human-in-the-loop interactions, and a lot more.
You can deploy full-stack applications, including front-end static assets and back-end APIs, as well as server-side rendered pages (SSR), with Cloudflare Workers. Like Pages, requests for static assets on Workers are free, and Pages Functions invocations are charged at the same rate as Workers, so you can expect a similar cost structure. Unlike Pages, Workers has a distinctly broader set of featur
Build Realtime apps with lowest latency - at any scale! Cloudflare Realtime is a comprehensive suite of products designed to help you build powerful, scalable real-time applications. It has three main offerings: Cloudflare RealtimeKit allows you to integrate programmable and easily customizable live video and voice into your web, mobile, and desktop applications. With just a few lines of code, you
Remix ↗ is a framework that is focused on fully utilizing the power of the web. Like Cloudflare Workers, it uses modern JavaScript APIs, and it places emphasis on web fundamentals such as meaningful HTTP status codes, caching and optimizing for both usability and performance. In this guide, you will create a new Remix application and deploy to Cloudflare Pages. Use the create-cloudflare ↗ CLI (C3)
Turn your existing regional database into a globally distributed database. Hyperdrive is a service that accelerates queries you make to existing databases, making it faster to access your data from across the globe from Cloudflare Workers, irrespective of your users' location. Hyperdrive supports any Postgres or MySQL database, including those hosted on AWS, Google Cloud, Azure, Neon and Planetsca
Browser Rendering enables developers to programmatically control and interact with headless browser instances running on Cloudflare’s global network. This facilitates tasks such as automating browser interactions, capturing screenshots, generating PDFs, and extracting data from web pages. You can integrate Browser Rendering into your applications using one of the following methods: REST API: Ideal
This guide will show you how to migrate your Workers from the Service Worker ↗ format to the ES modules ↗ format. There are several reasons to migrate your Workers to the ES modules format: Your Worker will run faster. With service workers, bindings are exposed as globals. This means that for every request, the Workers runtime must create a new JavaScript execution context, which adds overhead and
With Email Workers you can leverage the power of Cloudflare Workers to implement any logic you need to process your emails and create complex rules. These rules determine what happens when you receive an email. Creating your own rules with Email Workers is as easy or complex as you want. You can begin using one of the starter templates that are pre-populated with code for popular use-cases. These
Public Bucket is a feature that allows users to expose the contents of their R2 buckets directly to the Internet. By default, buckets are never publicly accessible and will always require explicit user permission to enable. Public buckets can be set up in either one of two ways: Expose your bucket as a custom domain under your control. Expose your bucket using a Cloudflare-managed https://r2.dev s
Kubernetes ↗ is a container orchestration tool that is used to deploy applications onto physical or virtual machines, scale the deployment to meet traffic demands, and push updates without downtime. The Kubernetes cluster, or environment, where the application instances are running is connected internally through a private network. You can install the cloudflared daemon inside of the Kubernetes cl
Cloudflare respects the origin web server’s cache headers in the following order unless an Edge Cache TTL cache rule overrides the headers. Refer to the Edge TTL section for details on default TTL behavior. Cloudflare does not cache the resource when: The Cache-Control header is set to private, no-store, no-cache, or max-age=0. The Set-Cookie header exists. The HTTP request method is anything othe
The HTMLRewriter class allows developers to build comprehensive and expressive HTML parsers inside of a Cloudflare Workers application. It can be thought of as a jQuery-like experience directly inside of your Workers application. Leaning on a powerful JavaScript API to parse and transform HTML, HTMLRewriter allows developers to build deeply functional applications. The HTMLRewriter class should be
Cron Triggers allow users to map a cron expression to a Worker using a scheduled() handler that enables Workers to be executed on a schedule. Cron Triggers are ideal for running periodic jobs, such as for maintenance or calling third-party APIs to collect up-to-date data. Workers scheduled by Cron Triggers will run on underutilized machines to make the best use of Cloudflare's capacity and route t
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Developers can use the TryCloudflare tool to experiment with Cloudflare Tunnel without adding a site to Cloudflare's DNS. TryCloudflare will launch a process that generates a random subdomain on trycloudflare.com. Requests to that subdomain will be proxied through the Cloudflare network to your web server running on localhost. Follow these instructions to install cloudflared. If you have an older
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1.1.1.1 is Cloudflare’s public DNS resolver. It offers a fast and private way to browse the Internet. DNS resolvers ↗ translate domains like cloudflare.com into the IP addresses necessary to reach the website (like 104.16.123.96). Unlike most DNS resolvers, 1.1.1.1 does not sell user data to advertisers. 1.1.1.1 has also been measured to be the fastest DNS resolver available ↗ — it is deployed in
In this tutorial, you will build a Slack ↗ bot using Cloudflare Workers. Your bot will make use of GitHub webhooks to send messages to a Slack channel when issues are updated or created, and allow users to write a command to look up GitHub issues from inside Slack. This tutorial is recommended for people who are familiar with writing web applications. You will use TypeScript as the programming lan
No results found. Try a different search term, or use our global search. Overview Getting started CLI Dashboard Prompting Templates Examples Tutorials Demos and architectures Development & testing Overview Environment variables and secrets Vite Plugin ↗ Choosing between Wrangler & Vite Developing with multiple Workers Adding local data Supported bindings per development mode Testing ↗ Playground C
Cloudflare Tunnel provides you with a secure way to connect your resources to Cloudflare without a publicly routable IP address. With Tunnel, you do not send traffic to an external IP — instead, a lightweight daemon in your infrastructure (cloudflared) creates outbound-only connections to Cloudflare's global network. Cloudflare Tunnel can connect HTTP web servers, SSH servers, remote desktops, and
By default, the DNS server ↗ your devices use is provided by your Internet service provider (ISP). Some ISPs and network equipment providers partner with Cloudflare to add safer browsing to their offerings. If your providers are not currently using Cloudflare, you can change the DNS settings on your device or router as detailed in the following instructions. Device or router specific guides Androi
With DNS over HTTPS (DoH), DNS queries and responses are encrypted and sent via the HTTP or HTTP/2 protocols. DoH ensures that attackers cannot forge or alter DNS traffic. DoH uses port 443, which is the standard HTTPS traffic port, to wrap the DNS query in an HTTPS request. DNS queries and responses are camouflaged within other HTTPS traffic, since it all comes and goes from the same port. Config
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