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Firefox DevTools MCP
Supports UIby mozilla
Automate and inspect Firefox browsers using WebDriver BiDi through a Model Context Protocol server.
0 stars
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Works in:Cursor
Exposes:ToolsResources
What it does
This server connects AI assistants to the Firefox browser via the Remote Debugging Protocol and WebDriver BiDi. It allows LLMs to interactively control the browser, inspect the DOM, and automate web workflows directly within Firefox.
Tools
list_pages: Lists all open browser tabs/pages.navigate_page: Navigates a specific page to a given URL.take_snapshot: Captures the current page state for interaction via UIDs.click_by_uid/fill_by_uid: Performs precise interactions with elements using snapshot UIDs.screenshot_page: Captures a visual image of the current page.list_network_requests: Captures and lists all network traffic for debugging.evaluate_script: Executes arbitrary JavaScript in the page context.
Installation
Add the following to your claude_desktop_config.json:
{
"mcpServers": {
"firefox-devtools": {
"command": "npx",
"args": ["-y", "firefox-devtools-mcp@latest"]
}
}
}
Supported hosts
Confirmed for Claude Desktop, Claude Code, Cursor, and Cline.
Quick install
npx firefox-devtools-mcp@latestInformation
- Pricing
- free
- Published
- 5/25/2026
- stars
