Browser MCP Server
A browser automation tool using Playwright and MCP protocol, enabling agents like OpenClaw or Claude Desktop to control a browser for navigation, content extraction, and interaction.
README
🌐 Browser MCP Server
用 Playwright + MCP 协议打造的浏览器自动化工具 任何支持 MCP 的 Agent(如 OpenClaw、Claude Desktop)都能直接用它控制浏览器 💎
功能概览
| 类别 | 工具 | 说明 |
|---|---|---|
| 🖥️ 浏览器控制 | launch / close / status |
启动/关闭浏览器 |
| 🧭 页面导航 | navigate / back / forward / reload |
页面跳转 |
| 📝 内容提取 | get_text / get_links / get_inputs |
提取文本/链接/表单 |
| 📸 截图 | screenshot |
全页/元素截图 |
| 🖱️ 交互操作 | click / fill / select / check / hover |
点击/填表/选择 |
| 🔍 搜索等待 | search / wait_for_selector / wait_for_url / sleep |
搜索/等待 |
| 📜 滚动 | scroll |
按方向/元素滚动 |
快速开始
安装
cd ~/workspace/browser-mcp-server
npm install
npx playwright install chromium # 首次需要安装浏览器
方式一:直接运行测试
node test.js
方式二:启动 MCP Server(供 Agent 使用)
node src/index.js
Server 会以 Stdio 模式运行,等待 JSON-RPC 请求。
工具详细说明
🖥️ launch
启动浏览器。
{ "headless": true, "browserType": "chromium" }
headless:true=后台(默认),false=显示 Chrome 窗口browserType:chromium/firefox/webkit
🧭 navigate
导航到 URL。
{ "url": "https://www.google.com", "waitUntil": "domcontentloaded" }
waitUntil:domcontentloaded(默认)/load/networkidle
📝 get_text
提取页面纯文本。
{ "selector": "article", "maxLength": 3000 }
selector: CSS 选择器,不填则提取整页maxLength: 最大字符数,防止超长
📸 screenshot
截图。
{ "path": "./screenshot.png", "selector": ".chart", "fullPage": true }
path: 保存路径selector: 截取指定元素fullPage:true=整页滚动截图
🖱️ click
点击元素。
{ "selector": "button.submit", "index": 0, "timeout": 5000 }
index: 多个匹配时按序号(从 0 开始)
✏️ fill
向输入框填入文本。
{ "selector": "input[name='q']", "text": "Hello World", "pressEnter": true }
pressEnter: 填入后自动按回车
📜 scroll
滚动页面。
{ "direction": "down", "amount": 500 }
direction:down/up/left/right
在 OpenClaw 中使用
在 OpenClaw 的 skills/ 目录下创建一个 skill:
# Browser Automation MCP Skill
## 启动 MCP Server
command: node
args: ["src/index.js"]
cwd: /Users/sunxiaoxuan/workspace/browser-mcp-server
protocol: stdio
或者在代码中直接调用:
# Python 示例(通过 subprocess 调 MCP Server)
import subprocess, json
proc = subprocess.Popen(
['node', 'src/index.js'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
cwd='/Users/sunxiaoxuan/workspace/browser-mcp-server'
)
# 发送 MCP 请求
request = {
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "launch",
"arguments": {"headless": True}
}
}
与 Siri 语音控制集成
配合 macOS 的 osascript 可以实现 Siri 语音控制浏览器!
# 例子:"Hey Siri,打开 GitHub"
osascript -e 'tell application "System Events"
keystroke "https://github.com" using command to activate
end tell'
配合 MCP Server 可以实现更复杂的语音指令:
"打开 GitHub,搜索 OpenAI 的最新项目,截一张图"
项目结构
browser-mcp-server/
├── package.json
├── README.md
├── test.js # 快速测试脚本
└── src/
├── index.js # MCP Server 主程序
└── browser.js # Playwright 浏览器管理
常见问题
Q: 报错 "Executable doesn't exist"
npx playwright install chromium
Q: 截图不完整(只截到可见区域)
设置 fullPage: true 截取整页
Q: 点击报错"元素不可见"
用 wait_for_selector 先等元素出现再操作
Q: 需要登录怎么办
先用 navigate 打开登录页,fill 填入账号密码,click 点击登录
庄英琪 💎 制作 | 基于 Playwright + MCP SDK
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