Best Firefox MCP Servers
Firefox is a web browser created by Mozilla that emphasizes privacy, security, and customization while providing a fast browsing experience with strong privacy protections.
Why this server?
Partially supports browser automation in Firefox through the T3rnel Browser extension, with limitations due to Firefox lacking a debugger API.
AlicenseAqualityBmaintenanceDrives the browser you are already signed into, so work behind a login, SSO or MFA needs no scripted auth. A local stdio MCP server talking to the free T3rnel Browser extension over a native-messaging relay. 14 tools standalone; 101 with the extension — CSS-as-component export, full-page capture, React inspector, network and console capture, form filling, record and replay. Nothing hosted.2239 npm2Apache 2.0Why this server?
Drives a Playwright-managed Firefox instance along with Chromium and WebKit to open pages, run actions (click, fill, wait, scroll) and capture screenshots for annotation.
AlicenseAqualityAmaintenanceEnables MCP clients to capture web pages, windows or screenshots and annotate them with numbered steps, boxes, arrows, labels, magnifiers, keycaps and solid redaction, returning JSON results plus a small preview image so the model can verify its work before sharing.1016218 PyPI6AGPL 3.0Why this server?
Retrieves live public statistics for Firefox Add-ons, enabling agents to check extension store numbers alongside other site and product metrics.

dotTideofficial
AlicenseBqualityAmaintenanceA read-only MCP server and CLI that enables AI agents and users to read Google Search Console and GA4 metrics across multiple Google accounts, plus WordPress.org, Firefox Add-ons, and GitHub stats, and generate weekly snapshots.11MITWhy this server?
Drives an installed Firefox browser in a separate profile for reading pages, extracting content, and performing browser actions; the Firefox lane is recommended for research-heavy work because it passes bot checks that block automated Chromium.

KitchenSink4Webofficial
AlicenseAqualityAmaintenanceEnables LLM agents to read and navigate web pages efficiently with token budgets, extract structured data, and optionally control a browser with explicit user consent, remaining read-only by default.12AGPL 3.0Why this server?
Enables cross-browser automation of Firefox via the BiDi protocol, supporting navigation, interaction, and testing.
AlicenseAqualityAmaintenanceA comprehensive browser automation MCP server providing 149 tools across 13 capability tiers, enabling LLMs to control Chrome/Edge via CDP or BiDi protocols with features like navigation, screenshots, network interception, and more.7266 PyPI3MITWhy this server?
Provides browser automation for Firefox, enabling navigation, tab management, clicking and typing, form filling, screenshots, page reading, console and network log capture, file uploads, and GIF recordings of user flows.
MITWhy this server?
Leverages Zen Browser (Firefox-based) as the automation target, providing full browser control including tab management, network interception, session persistence, and Readability extraction.
AlicenseBqualityAmaintenanceEnables browser automation and control through ZenLink, allowing Claude Desktop and other MCP clients to drive a Zen Browser with 75+ tools for navigation, content extraction, interaction, parallel multi-tab operations, and session management.10094 PyPIMITWhy this server?
Can read the MyFitnessPal session cookies stored by Firefox (via the browser_cookie3 fallback) so the server can authenticate without username/password credentials.
AlicenseAqualityDmaintenanceEnables AI assistants to interact with MyFitnessPal data including food diary, exercises, body measurements, nutrition goals, and water intake through natural language.2070MITWhy this server?
Provides integration with the Firefox browser using geckodriver, allowing AI agents to perform browser automation tasks like opening URLs, taking screenshots, and executing JavaScript.
AlicenseAqualityAmaintenanceEnables AI agents to control a real web browser (Firefox) via Selenium WebDriver, supporting page navigation, interaction, and inspection through natural language.434MIT