Firefox DevTools MCP vs Browserbase MCP (Stagehand)

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

	Firefox DevTools MCP Automate and inspect Firefox via WebDriver BiDi (Selenium) from any MCP client. Unverified stdio (local) No auth TypeScript	Browserbase MCP (Stagehand) Official Browserbase cloud-browser MCP built on Stagehand — natural-language act/extract/observe. Verified stdio (local) API key TypeScript
Category	Browser Automation	Browser Automation
Language	TypeScript	TypeScript
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	228	3.0k
Last commit	4 days ago	18 days ago
Verified
Actively maintained
Install	`claude mcp add firefox-devtools npx @mozilla/firefox-devtools-mcp@latest`	`npx -y @browserbasehq/mcp`
Repo	Open	Open

Verdict

Pick Firefox DevTools MCP if you want zero-setup with no API key, and you need the broadest set of tools.

Pick Browserbase MCP (Stagehand) if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

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"
      }
    }
  }
}

Add Browserbase MCP (Stagehand)

Install / run

npx -y @browserbasehq/mcp

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

{
  "mcpServers": {
    "browserbase-mcp-stagehand": {
      "command": "npx",
      "args": [
        "-y",
        "@browserbasehq/mcp"
      ],
      "env": {
        "BROWSERBASE_API_KEY": "<your-browserbase-api-key>",
        "BROWSERBASE_PROJECT_ID": "<your-browserbase-project-id>",
        "GEMINI_API_KEY": "<your-gemini-api-key>"
      }
    }
  }
}

FAQ

Firefox DevTools MCP or Browserbase MCP (Stagehand) — which is better?

Pick Firefox DevTools MCP if you want zero-setup with no API key, and you need the broadest set of tools. Pick Browserbase MCP (Stagehand) if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both Firefox DevTools MCP and Browserbase MCP (Stagehand)?

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 Firefox DevTools MCP and Browserbase MCP (Stagehand) work with Claude, Cursor and Windsurf?

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

View Firefox DevTools MCP →View Browserbase MCP (Stagehand) →More comparisons →