Kitesurf

Kitesurf

Cloudflare
+
+

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About

Kitesurf is an agent-first browser built specifically for AI agents and runs entirely on Cloudflare Workers instead of using Chromium. It is designed around what agents actually need: structured machine-readable content, scalable execution, low CPU and memory use, and safe interaction with untrusted web pages, rather than human-facing features such as tabs, themes, extensions, or pixel-perfect scrolling. Each page load is treated as untrusted input, every session starts fresh, and components are isolated with access only to the resources required for their function. Kitesurf uses native Rust compiled to WebAssembly where possible and is organized around an Engine, PageScript, and PageRenderer. The Engine exposes Chrome DevTools Protocol WebSocket and REST APIs and stores session state, while PageScript parses HTML and CSS and runs JavaScript and WebAssembly inside isolated Workers.

About

WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications. The Wasm stack machine is designed to be encoded in a size- and load-time-efficient binary format. WebAssembly aims to execute at native speed by taking advantage of common hardware capabilities available on a wide range of platforms. WebAssembly describes a memory-safe, sandboxed execution environment that may even be implemented inside existing JavaScript virtual machines. When embedded in the web, WebAssembly will enforce the same-origin and permissions security policies of the browser. WebAssembly is designed to be pretty-printed in a textual format for debugging, testing, experimenting, optimizing, learning, teaching, and writing programs by hand. The textual format will be used when viewing the source of Wasm modules on the web.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI agent developers that need a scalable browser runtime optimized for programmatic web navigation, structured content extraction, and automated browsing

Audience

Developers

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$20
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Cloudflare
Founded: 2009
United States
blog.cloudflare.com/kitesurf/

Company Information

WebAssembly
Founded: 2015
webassembly.org

Alternatives

Human Browser

Human Browser

Virix Labs

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
AssemblyScript

AssemblyScript

The AssemblyScript Project
Modsurfer

Modsurfer

Dylibso
VibeSDK

VibeSDK

Cloudflare

Categories

AI Browsers Supported

Categories

Integrations

AssemblyScript Not Supported
BlazorPlate Not Supported
BoxLang Not Supported
CSS Supported
Chrome DevTools Supported
Cloudflare Supported
Graphite Not Supported
HTML Supported
Indent Not Supported
JavaScript Supported
Kitesurf Not Supported
ML Console Not Supported
Meshpage.org Not Supported
Modsurfer Not Supported
Second State Not Supported
SurrealDB Not Supported
Wasmer Not Supported
WebAssembly Supported
Zed Not Supported
ai-coustics Not Supported

Integrations

AssemblyScript Supported
BlazorPlate Supported
BoxLang Supported
CSS Not Supported
Chrome DevTools Not Supported
Cloudflare Not Supported
Graphite Supported
HTML Not Supported
Indent Supported
JavaScript Not Supported
Kitesurf Supported
ML Console Supported
Meshpage.org Supported
Modsurfer Supported
Second State Supported
SurrealDB Supported
Wasmer Supported
WebAssembly Not Supported
Zed Supported
ai-coustics Supported
Claim Kitesurf and update features and information
Claim Kitesurf and update features and information
Claim WebAssembly and update features and information
Claim WebAssembly and update features and information