Simon Willison 1/26/2026

the browser is the sandbox

Read Original

The article analyzes the web browser's potential as a sandbox for AI coding agents, inspired by Google developer Paul Kinlan's research. It discusses how browser technologies like the File System Access API, sandboxed iframes, and WebAssembly can provide the necessary isolation and capabilities for agents to operate securely on a user's local files, similar to tools like Claude Cowork but without heavy local containers.

the browser is the sandbox

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week