Browser 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.

	Browser MCP Automate your existing browser with AI using your real profile, logged-in sessions, and stealth fingerprint. Unverified stdio (local) No auth Stale 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	6.7k	228
Last commit	1 year ago	1 month ago
Verified
Actively maintained
Install	`npx @browsermcp/mcp@latest`	`claude mcp add firefox-devtools npx @mozilla/firefox-devtools-mcp@latest`
Repo	Open	Open

Verdict

Pick Browser MCP if you prefer the more popular, battle-tested option.

Pick Firefox DevTools MCP if you want the official, vendor-maintained server, and you need the broadest set of tools.

Add Browser MCP

Install / run

npx @browsermcp/mcp@latest

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

{
  "mcpServers": {
    "browser-mcp": {
      "command": "npx",
      "args": [
        "@browsermcp/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

Browser MCP or Firefox DevTools MCP — which is better?

Pick Browser MCP if you prefer the more popular, battle-tested option. Pick Firefox DevTools MCP if you want the official, vendor-maintained server, and you need the broadest set of tools.

Can I use both Browser 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 Browser 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 Browser MCP →View Firefox DevTools MCP →More comparisons →