webclaw

概述

WebClaw 作为 Chrome 扩展运行，完全访问已登录的会话和用户浏览器数据。它提供 21 个 MCP 工具用于浏览器自动化，包括导航、页面交互和标签页管理。系统使用带有 @ref 标签的紧凑可访问性树进行精确元素定位，避免了无头浏览器和机器人检测的陷阱。服务器通过 WebSocket 与 Chrome 扩展通信，使任何 MCP 客户端（如 Claude Desktop、Cursor 或 VS Code）能够实时控制浏览器。

试试问 AI

装完之后，这里有 5 个你可以让 AI 做的事：

• navigate_tourl, tabId?

  Navigate to a URL

  试试:Go to wikipedia.org试试:Visit https://example.com
• page_snapshotfocusRegion?, interactiveOnly?, tabId?

  Get a compact accessibility tree with @ref labels

  试试:Show me the current page structure试试:What interactive elements are on the page?
• clickref, snapshotId, tabId?

  Click an element by its @ref label

  试试:Click the search button试试:Press the submit form button
• type_textref, text, snapshotId, clearFirst?, tabId?

  Type text into an input/textarea by @ref

  试试:Enter 'Model Context Protocol' in the search box试试:Fill out the username field
• new_taburl?

  Open a new tab (optionally with a URL)

  试试:Open a new tab试试:Create a new tab for google.com
• list_tabs

  List all open tabs with tabId, URL, title, and active state

  试试:Show me all open tabs试试:List my current browser tabs
• switch_tabtabId

  Switch to a specific tab

  试试:Switch to tab with ID 2试试:Activate the first tab
• go_backtabId?

  Go back to the previous page

  试试:Go back to the previous page试试:Navigate backwards
• reloadtabId?, bypassCache?

  Reload the current page

  试试:Refresh the page试试:Reload the current tab
• screenshottabId?

  Capture the visible area of the active tab

  试试:Take a screenshot试试:Capture the current page view
• list_webmcp_toolstabId?

  Discover tools on the page (native WebMCP + auto-synthesized from buttons/forms)

  试试:What tools are available on this page?试试:List page-declared tools
• invoke_webmcp_tooltoolName, args?, tabId?

  Invoke a discovered tool (native or synthesized)

  试试:Use the submitForm tool试试:Invoke the calculateTotal tool

可对比工具

安装

{
  "mcpServers": {
    "webclaw": {
      "command": "npx",
      "args": ["-y", "webclaw-mcp"]
    }
  }
}

# Claude Code
claude mcp add webclaw -- npx -y webclaw-mcp

# Cursor / VS Code / Windsurf
# 添加到相应的 MCP 配置文件中：
{
  "mcpServers": {
    "webclaw": {
      "command": "npx",
      "args": ["-y", "webclaw-mcp"]
    }
  }
}

FAQ

WebClaw 如何避免被检测为机器人？

WebClaw 作为真实浏览器中的扩展运行，保持正常的 cookie、用户代理和浏览器指纹，使其比无头浏览器更能抵抗机器人检测。

它能访问已登录的会话吗？

是的，因为它运行在您真实的 Chrome 中，WebClaw 可以访问所有已登录的会话、cookie 和浏览器数据，无需重新认证。

webclaw 对比