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On the recordRead 12 Oct 202626 facts
BrowserCode
On the record
- API key handling
- The README says Codex CLI asks for an OpenAI API key and stores it in the browser.github.com · read 12 Oct 2026
- Beta status
- The README describes BrowserCode as a beta and lists Claude Code and Codex CLI as beta, with Antigravity and OpenCode marked as coming soon.github.com · read 12 Oct 2026
- Browser compatibility
- The README recommends a Chromium-based browser for maximum compatibility.github.com · read 12 Oct 2026
- Coding agents
- The hosted app supports Claude Code and Codex CLI.github.com · read 12 Oct 2026
- Editor
- The IDE includes an editor, file tree, terminals, and live preview.browsercode.io · read 12 Oct 2026
- Editors and previews
- The IDE includes a code editor, file tree, terminals, and live previews for popular frameworks.browsercode.io · read 12 Oct 2026
- Embedding requirement
- Embedding requires SharedArrayBuffer support, cross origin isolation headers on the embedding page, and the iframe permission allow="cross-origin-isolated".github.com · read 12 Oct 2026
- Frameworks
- The project README lists support for Express.js, Svelte, Next, Nuxt, and React, with WebAssembly overrides.github.com · read 12 Oct 2026
- Full-stack runtime
- Yeslabs.leaningtech.com · read 22 Sep 2026
- Languages and tools
- The sandbox includes Node.js v22, bash, git, and npm; Rust and Python are listed as preview runtimes.github.com · read 12 Oct 2026
- Limitations
- The README says native binaries are not supported and networking over TCP is unavailable.github.com · read 12 Oct 2026
- Maker
- The BrowserCode repository is published under the Leaning Technologies GitHub organization.github.com · read 12 Oct 2026
- Network access
- Outbound access is restricted, with npm and yarn registries, GitHub, and major AI provider APIs reachable by default.github.com · read 12 Oct 2026
- Networking
- The project README says outbound networking is restricted, with npm and yarn registries, GitHub, and major AI provider APIs reachable by default.github.com · read 12 Oct 2026
- Notable limits
- The README says native binaries and TCP networking are not supported, and Safari is not currently supported.github.com · read 12 Oct 2026
- Product
- BrowserCode is a browser based IDE and AI coding agent playground for prototyping full stack apps.browsercode.io · read 12 Oct 2026
- Runs locally in browser
- Its terminal, filesystem, and development server run in a WebAssembly sandbox in the browser.github.com · read 12 Oct 2026
- Runtime
- Its terminals, filesystem, and development servers run in a sandboxed WebAssembly environment in the user's browser.browsercode.io · read 12 Oct 2026
