Show HN: BrowserCode – Run Claude Code in the Browser via WebAssembly

Category: infrastructure

Tags: webassembly, ai-coding, sandbox, browser, cli, nodejs

Score: 7.3/10 (Innovation: 8, Technical: 8, Documentation: 6, Utility: 7)

BrowserCode runs AI coding CLIs like Claude Code and Gemini CLI entirely in the browser using WebAssembly, providing a sandboxed environment with a full POSIX-like filesystem and networking restrictions. It is built on BrowserPod and demonstrates a novel combination of WebAssembly, Node.js v22, and browser sandboxing to enable client-side AI agent execution. This project is interesting because it moves powerful AI coding tools into the browser with no server-side dependencies, offering instant previews and enhanced security.

Target audience: backend devs, devops, ai engineers

Repository: https://github.com/leaningtech/browsercode · Svelte · Apache-2.0 · 16 stars

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