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mozilla/firefox-devtools-mcp

Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi

★ 518Week rank 104 · star gain starts at the next snapshot

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From the README

Firefox DevTools MCP Model Context Protocol server that lets AI agents use Firefox. It has two main use cases: **Agentic browsing**: the agent uses the browser for regular tasks, such as reading pages, filling forms and going through multi-step flows on websites.

Setup prompt

Paste this into Cursor or Claude Code. It only includes install lines found in the README, and it asks the agent to review the code first.

Set up the GitHub repository mozilla/firefox-devtools-mcp (Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi).
Repository: https://github.com/mozilla/firefox-devtools-mcp

Official install commands found in the README:
npx @mozilla/firefox-devtools-mcp@latest -- --headless --viewport 1280x720

Clone the repository and follow those steps. Do not invent package names or extra install commands.
Review the code before running anything.

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Same mentions, three half-lives. This is not a star history. Star gain appears after a second daily snapshot.

  • Today0.77
  • Week1.26
  • Month1.55

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