Browser-native agent · profiles · tools — by aratech | Zero installs, isolated, secured and self-evolving agent.
Web Agent is an open-source AI assistant that runs entirely inside your web browser. Unlike traditional AI tools that require servers or installations, Web Agent uses WebContainers technology to create a complete Node.js runtime right in your browser tab. You create isolated profiles with their own workspaces, memory, and settings—all stored locally on your machine. The assistant can read and write files, search the web, send emails, manage reusable skills, and run scheduled tasks. It features special commands like /plan for drafting detailed plans before execution, /wiki-setup for organizing knowledge in a personal vault, and /skills for saving reusable workflows. Everything is designed to feel simple for everyday users while offering powerful capabilities for developers. Your data never leaves your browser unless you explicitly ask it to.
How It Works
You hear about a smart assistant that lives entirely in your browser—no downloads, no servers, no complicated setup.
You visit the web address and see a clean, modern interface with a terminal-style chat window ready to go.
You give your assistant a name and personality. Everything stays private in your browser—no accounts needed.
You paste in a free API key from OpenRouter or point to your own AI provider. Your assistant is now powered up and ready to think.
With one click, your assistant boots up inside a secure workspace. It greets you warmly and is ready to help.
Ask it to write code, organize projects, or explore folders in its workspace
Save facts, session notes, and learnings that improve over time
Use /plan to research and draft a detailed plan before starting work
Your assistant completes tasks, remembers your preferences, and keeps improving. Everything stays on your computer—no cloud dependency.
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