AI BriefingCloudflare open-sources Kitesurf, its stateless browser for AI agents
·2026.11.14 05:20
Key point
The stateless browser runs on Cloudflare Workers and supports Chrome DevTools Protocol for agent interaction.
Details
- Cloudflare has open-sourced Kitesurf, its stateless browser for AI agents, under the Apache 2.0 license on GitHub.
- Kitesurf runs entirely on Cloudflare Workers, parsing HTML, applying CSS, and executing JavaScript without a browser container to use less CPU and memory than Chromium.
- The project builds on open-source Rust packages compiled to WebAssembly, including Blitz for HTML parsing, Stylo for CSS, Boa for JavaScript, and Linebender for text layout.
- Developers can run Kitesurf locally using pnpm and wrangler, or deploy it to their own Cloudflare account, which requires a Workers Paid plan due to the use of Dynamic Workers.
- The engine supports Chrome DevTools Protocol (CDP), allowing integration with clients like Puppeteer and direct control by AI agents.
- The repository is under heavy development with a focus on improving compatibility, reliability, and efficiency, and contributions are welcome via GitHub.
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