MCP server

Firefox DevTools MCP

io.github.mozilla/firefox-devtools-mcp

Checked 26 Oct 2026, 08:31 UTC · Still published on its registry; checked against OSV.dev; never run by us

Control and debug Firefox: navigate, fill forms, inspect network and console, profile.

Runs on your computer

Website Source

At a glance

Type: MCP server
Publisher: Not verified
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 26 Oct 2026, 08:31 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add firefox-devtools-mcp -- npx -y @mozilla/firefox-devtools-mcp@0.10.6

Claude Desktop

{"mcpServers":{"firefox-devtools-mcp":{"command":"npx","args":["-y","@mozilla/firefox-devtools-mcp@0.10.6"]}}}

Codex (config.toml)

[mcp_servers.firefox-devtools-mcp]
command = "npx"
args = ["-y","@mozilla/firefox-devtools-mcp@0.10.6"]

Gemini CLI

{"mcpServers":{"firefox-devtools-mcp":{"command":"npx","args":["-y","@mozilla/firefox-devtools-mcp@0.10.6"]}}}

Cursor

{"mcpServers":{"firefox-devtools-mcp":{"command":"npx","args":["-y","@mozilla/firefox-devtools-mcp@0.10.6"]}}}

VS Code

{"servers":{"firefox-devtools-mcp":{"type":"stdio","command":"npx","args":["-y","@mozilla/firefox-devtools-mcp@0.10.6"]}}}

Runs on your computer with your permissions: check the package and its source before installing.

Browse

Related MCP servers

Busymate DevTools
Capture, inspect & debug HTTPS traffic across iOS, Android, browsers & backends — 304 MCP tools.
Frontlatch
Find local service businesses and send requests the owner confirms. Sandbox by default.
Wingmanprotocol Gateway
Durable self for AI agents: one-call resume, memory, a real browser, research, free chat.
Oxylabs
Fetch and process content from specified URLs & sources using the Oxylabs Web Scraper API.
Pipehero
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
Nova Cast
Give your AI agent the power to cast to your home TV and control an interactive canvas. By ArdaBot.
Blackbook Protocol Advisor
Purchaser-gated MCP for Vault, HMRC TRS, 95/5 equity, and Companies House PSC.
x711 — Universal Agent Gas Station
Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/io.github.mozilla/firefox-devtools-mcp.svg)](https://aptlynx.net/servers/io.github.mozilla/firefox-devtools-mcp)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents