firefox-browser-mcp is an MCP (Model Context Protocol) server that controls Firefox through a companion WebExtension over a WebSocket bridge. It allows automation and interaction with the browser for LLM agents and tools. The package is distributed on PyPI under the MIT license with source on GitHub.
In the Developer Tools space, firefox-browser-mcp takes a focused approach. It focuses on enabling LLM agents to control a Firefox browser instance via the Model Context Protocol. It is built as an open-source project for developers. The project is open source (MIT). It ships for the command line.
firefox-browser-mcp first shipped in 2026. The project is developed in the open on GitHub with 3 commits in the last 90 days. Key capabilities include Browser Control, WebSocket Bridge, and webExtension. It exposes integrations via an MCP server.
Summary written by a language model from the project’s public pages.
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