web-eval-agent vs Browserbase MCP (Stagehand)

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

	web-eval-agent Autonomous browser agent that evaluates and debugs your web app end-to-end from your IDE. Unverified stdio (local) API key Python	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	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	1.2k	3.0k
Last commit	4 months ago	18 days ago
Verified
Actively maintained
Install	`curl -LSf https://operative.sh/install.sh -o install.sh && bash install.sh && rm install.sh`	`npx -y @browserbasehq/mcp`
Repo	Open	Open

Verdict

Pick web-eval-agent if you prefer its approach (autonomous browser agent that evaluates and debugs your web app end-to-end from your ide).

Pick Browserbase MCP (Stagehand) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Add web-eval-agent

Install / run

curl -LSf https://operative.sh/install.sh -o install.sh && bash install.sh && rm install.sh

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

{
  "mcpServers": {
    "web-eval-agent": {
      "command": "uvx",
      "args": [
        "--refresh-package",
        "webEvalAgent",
        "--from",
        "git+https://github.com/Operative-Sh/web-eval-agent.git",
        "webEvalAgent"
      ],
      "env": {
        "OPERATIVE_API_KEY": "<YOUR_KEY>"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

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

web-eval-agent or Browserbase MCP (Stagehand) — which is better?

Pick web-eval-agent if you prefer its approach (autonomous browser agent that evaluates and debugs your web app end-to-end from your ide). Pick Browserbase MCP (Stagehand) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Can I use both web-eval-agent 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 web-eval-agent 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 web-eval-agent →View Browserbase MCP (Stagehand) →More comparisons →