Browserbase MCP Server

What the code does

We read the source, 19 h ago · rules 3dff92dd89df

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

          fs.writeFileSync(outFd, pdfBuffer);

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

  const fullPath = path.join(stagingDir, filename);

    const child = spawn(process.execPath, [script], {

  if (isUnder(resolvedAbs, sshDir)) return { hit: true, reason: '~/.ssh/** is sensitive' };

  <script src="https://appsforoffice.microsoft.com/lib/1.1/hosted/office.js"></script>

    const entries = fs.readdirSync(workspacePath, { withFileTypes: true });

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add mcp-server-browserbase -- npx -y @mindstone/mcp-server-browserbase

{
  "mcpServers": {
    "mcp-server-browserbase": {
      "args": [
        "-y",
        "@mindstone/mcp-server-browserbase"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.mcp-server-browserbase]
command = "npx"
args = ["-y", "@mindstone/mcp-server-browserbase"]

{
  "mcpServers": {
    "mcp-server-browserbase": {
      "args": [
        "-y",
        "@mindstone/mcp-server-browserbase"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "mcp-server-browserbase": {
      "args": [
        "-y",
        "@mindstone/mcp-server-browserbase"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: BROWSERBASE_API_KEY (Browserbase API key (from browserbase.com/settings)), BROWSERBASE_REQUEST_TIMEOUT_MS (Optional per-request timeout in milliseconds for Browserbase API calls (default 30000).), MCP_WORKSPACE_PATH (Optional workspace directory for local files uploaded to Browserbase (session files, extensions, certificates). File reads are sandboxed to this directory (defaults to the system temp directory when unset).). The author declared them in the registry entry; get the values from the project itself.