F

How to install Firefox DevTools MCP in Claude Desktop

To install Firefox DevTools MCP in Claude Desktop, open Settings, Developer, Edit Config, paste the "firefox-devtools-mcp" block into mcpServers in claude_desktop_config.json, and restart the app.

Built from the published package · server updated 5 days ago

1. 1

   Open the config file

   In Claude Desktop, go to Settings, then Developer, then Edit Config.

2. 2

   Add the server

   Paste this into the file. If you already have servers, add the "firefox-devtools-mcp" entry inside your existing mcpServers block.

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

   Copy
3. 3

   Restart Claude Desktop

   Quit the app fully and open it again. The server appears under the tools icon in a new chat.

Config file: macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

MCP servers run with your permissions. If Firefox DevTools MCP needs an API key, add it under env in the config. Check its README.

Similar servers

M

mockserver mock-server

100

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

AAA Local 5.0k

X

XcodeBuildMCP getsentry

100

XcodeBuildMCP provides tools for Xcode project management, simulator management, and app utilities.

AAA Local 6.5k

R

Repowise repowise-dev

98

Codebase intelligence for AI coding agents — graph, git history, docs, decisions, code health.

ACA Local 7.9k