Meet WebBrain: An Open-Source, Local-First AI Browser Agent That Reads Pages and Automates Tasks in Chrome and Firefox

WebBrain, an open-source AI browser agent, reads pages and automates tasks in Chrome and Firefox using local LLMs.

venerdì 3 luglio 2026 New tab

1,032 words~5 min read

WebBrain is a free, open-source browser agent for Chrome and Firefox. It reads pages, extracts data, and automates multi-step tasks. Unlike most browser AI plugins, it can also run entirely on a local model.

It is built by Emre Sokullu and licensed under MIT. The full source lives on GitHub.

Run the agent against a local model, and no page data leaves your machine. Connect a cloud API when you want more capability.

What is WebBrain?

WebBrain lives in your browser’s side panel. In Chrome it uses Manifest V3 and the sidePanel API. In Firefox it uses Manifest V2 and sidebar_action. Each tab keeps its own conversation history.