Chrome DevTools MCP vs Firefox DevTools MCP

A side-by-side comparison of two Browser Automation servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Chrome DevTools MCP Lets coding agents drive a real Chrome: automate input, read console and network, record performance traces. Unverified stdio (local) No auth TypeScript	Firefox DevTools MCP Automate and inspect Firefox via WebDriver BiDi (Selenium) from any MCP client. Unverified stdio (local) No auth TypeScript
Category	Browser Automation	Browser Automation
Language	TypeScript	TypeScript
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	45k	228
Last commit	1 month ago	1 month ago
Verified
Actively maintained
Install	`npx -y chrome-devtools-mcp@latest`	`claude mcp add firefox-devtools npx @mozilla/firefox-devtools-mcp@latest`
Repo	Open	Open

Verdict

Pick Chrome DevTools MCP if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Pick Firefox DevTools MCP if you prefer its approach (automate and inspect firefox via webdriver bidi (selenium) from any mcp client).

Add Chrome DevTools MCP

Install / run

npx -y chrome-devtools-mcp@latest

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "chrome-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "chrome-devtools-mcp@latest"
      ]
    }
  }
}

Add Firefox DevTools MCP

Install / run

claude mcp add firefox-devtools npx @mozilla/firefox-devtools-mcp@latest

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

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

FAQ

Chrome DevTools MCP or Firefox DevTools MCP — which is better?

Pick Chrome DevTools MCP if you prefer the more popular, battle-tested option, and you need the broadest set of tools. Pick Firefox DevTools MCP if you prefer its approach (automate and inspect firefox via webdriver bidi (selenium) from any mcp client).

Can I use both Chrome DevTools MCP and Firefox DevTools MCP?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Chrome DevTools MCP and Firefox DevTools MCP work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Chrome DevTools MCP →View Firefox DevTools MCP →More comparisons →