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freema/firefox-devtools-mcp

Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through the Remote Debugging Protocol

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Our verdict

Not reviewed yet

We have not reviewed freema/firefox-devtools-mcp yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About freema/firefox-devtools-mcp

A Model Context Protocol server that connects AI assistants to Firefox's Remote Debugging Protocol. It allows tools to inspect page elements, monitor network activity, and execute JavaScript in the browser.

Best for

Developers building AI-assisted debugging workflows for Firefox

Use cases

  • Automate browser debugging tasks via AI assistants
  • Inspect live DOM and network requests programmatically
  • Execute JavaScript in Firefox from an MCP client

Notes

192 stars on GitHub. Last updated 2026-05-28.

Pros

  • Leverages Firefox's native debugging protocol for reliable control
  • Written in TypeScript with 192 GitHub stars, indicating community interest
  • Enables AI-driven browser automation without Selenium or Playwright

Cons

  • Requires Firefox with remote debugging enabled, adding setup overhead
  • Limited to Firefox; no cross-browser support
  • Depends on MCP client compatibility, which is still emerging

Key facts

What we have checked

Days since the last commit
15
Checked GitHub
GitHub forks
0
Checked GitHub
GitHub stars
0
Checked GitHub
Releases in the last 90 days
0
Checked GitHub

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npx @mozilla/firefox-devtools-mcp@latest -- --headless --viewport 1280x720

Tools exposed

  • list_pages
  • select_page
  • navigate_page
  • take_snapshot
  • click_by_uid
  • fill_by_uid
  • list_network_requests
  • get_network_request
  • screenshot_page
  • list_console_messages
  • evaluate_script
  • list_scripts
  • inspect_source
  • set_logpoints
  • list_privileged_contexts
  • select_privileged_contexts
  • evaluate_privileged_scripts
  • get_firefox_prefs
  • set_firefox_prefs
  • list_extensions

Clients the listing names (not checked here)

Claude Desktop, Claude Code, Cursor, Cline

Example client config

{
  "mcpServers": {
    "firefox-devtools": {
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp@latest",
        "--headless",
        "--viewport",
        "1280x720"
      ],
      "env": {
        "START_URL": "about:blank"
      }
    }
  }
}

Install

Add freema/firefox-devtools-mcp to your client

Not verified yet

No install recipe yet. We write one for Claude Code, Claude Desktop, Cursor, VS Code, Codex and ChatGPT when the server is in the official MCP registry with a package or remote address we can use.

Until then, follow the project's own README, or the setup the listing publishes under How to set it up.

Works with

What freema/firefox-devtools-mcp connects to

No confirmed connections yet. A product appears here when the server's registry name, repo, homepage or name ties it to that product, and a client appears when we have an install recipe for it.

Stars and usage

How freema/firefox-devtools-mcp is growing

GitHub stars

0 to 0

stars. 28 Oct 2026 to 9 Nov 2026, 3 readings.

Source: GitHub. Checked .

Health and security

Is freema/firefox-devtools-mcp looked after, and what do its setup files show

Health score

38 out of 100

Does someone look after this repository? It does not say the code is good or safe. Worked out from GitHub signals checked . How it is worked out

PartPointsWhat we saw
Recent activity30 of 30Last push 15 days ago
Releases0 of 150 releases in 90 days
Issue repliesNot countedThe latest check has no issue response reading (fewer than 3 measured issues, or issues switched off)
Maintainer0 of 15Owned by a single user
Official source0 of 20Community server

Alternatives

Alternatives to freema/firefox-devtools-mcp

RecordTypeHow we knowChecked
seleniumbase/SeleniumBaseThis is an alternative to itMCP serverNamed in the listingNot dated

Compare

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Sources

Where this comes from

  • GitHubRegistry

    Checked · Days since the last commit, GitHub forks, GitHub stars, Releases in the last 90 days

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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