BrowserCode – Run Claude Code in the Browser via WebAssembly

What it does

Run AI Agent CLIs in your browser. Contribute to leaningtech/browsercode development by creating an account on GitHub.

BrowserCode is a browser-based playground for fast-prototyping full-stack apps and sharing them instantly. It runs on BrowserPod, a multi-language WebAssembly sandbox (Node.js, Rust, and Python in preview), with no installs, no servers, and no cloud compute. BrowserCode is a browser-based coding sandbox. It's a working example of BrowserPod , and includes: BrowserCode started out as a way to run AI coding CLIs entirely client-side. It's since grown into a full IDE: alongside the CLIs, it can boot and preview web frameworks directly in the browser, so you can prototype an agent's output without ever leaving the tab. BrowserCode 1.1.0 is our latest beta release. It runs a full code editor,…from github.com

In the maker’s words, at launch

We built BrowserCode, a FOSS web app to run TUI agents (Claude Code, Gemini CLI, others coming soon) fully in the browser, locally. To use BrowserCode, you'll need to login to each CLI with the corresponding login, i.e. with your Anthropic account or API key. All the data and execution stays completely local to the…

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  You can now run Gemini CLI in the browserApr 2026 · browsercode.io · ▲5

  Hello HN, we are thrilled to share with you in preview BrowserCode: A FOSS web app to run TUI agents (such as Claude Code, OpenCode, Gemini CLI and the like) fully in the browser. This first release focuses on Gemini CLI and Claude Code will follow soon. BrowserCode is released under the Apache License, version 2.0. BrowserCode is based on BrowserPod (https://browserpod.io), an in-browser WebAssembly-based code sandboxing technology that can currently run Node.js, python, git, bash and many other command line tools. This will further expand to Ruby / Rails, Go, Rust and…

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  Give Claude Code control of your browser (open-source)2025 · cli-agents.click · ▲10

  As I started to use Claude Code to do more random tasks I realized I could basically build any CLI tool and it would use it. So I built one that controls the browser and open-sourced it. It should work with Codex or any other CLI-based agent! I have a long term idea where the models are all local and then the tool is privacy preserving because it's easy to remove PII from text, but I'd definitely not recommend using this for anything important just yet. You'll need a Gemini key until I (or someone else) figure out how to distill a local version out of that part of the pipeline. Github link:…

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  1CodeJan 2026 · github.com · ▲569

  Just to clarify the background a bit. This project wasn’t planned as a big standalone release at first. On January 16, Ollama added support for an Anthropic-compatible API, and I was curious how far this could be pushed in practice. I decided to try plugging local Ollama models directly into a Claude Code-style workflow and see if it would actually work end to end. Here is the release note from Ollama that made this possible: https://ollama.com/blog/claude Technically, what I do is pretty straightforward: - Detect which local models are available in Ollama. - When…

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