browser-cdp

Category: Tools & Productivity | Uploader: worldwonderer | Downloads: 0 | Version: v1.0（Latest）

Use this skill when you need to control a Chrome browser via CDP (Chrome DevTools Protocol) to reuse existing login sessions. Covers: launching Chrome in debug mode, opening URLs, waiting for page load, evaluating JavaScript, taking snapshots, and extracting auth tokens. Trigger phrases: browser automation, CDP, agent-browser, 浏览器操作, 操作浏览器, Chrome CDP, 复用登录态, extract token from browser.

Changelog: Source: GitHub https://github.com/worldwonderer/oh-story-claudecode

Directory Structure

Current level: tree/main/skills/browser-cdp/

📁 scripts/
- 📄 setup-cdp-chrome.js 10.4 KB
📄 SKILL.md 2.2 KB

SKILL.md

---
name: browser-cdp
version: 1.0.0
description: "Use this skill when you need to control a Chrome browser via CDP (Chrome DevTools Protocol) to reuse existing login sessions. Covers: launching Chrome in debug mode, opening URLs, waiting for page load, evaluating JavaScript, taking snapshots, and extracting auth tokens. Trigger phrases: browser automation, CDP, agent-browser, 浏览器操作, 操作浏览器, Chrome CDP, 复用登录态, extract token from browser."
metadata:
  openclaw:
    requires:
      bins:
        - agent-browser
    source: https://github.com/worldwonderer/oh-story-claudecode
---

# Browser CDP 操作工具

通过 CDP 协议控制 Chrome，复用已有登录态，执行浏览器自动化操作。

## 前置条件

- Windows（实验性）/ macOS / Linux，已安装 Google Chrome
- Node.js 16+（Atomics.wait + SharedArrayBuffer）
- `agent-browser` 命令行工具已安装（`npm install -g agent-browser`）

---

## 第一步：启动 CDP Chrome 环境

```bash
node {SKILL_DIR}/scripts/setup-cdp-chrome.js 9222
```

成功后所有 `agent-browser` 命令带 `--cdp 9222`。

---

## 常用操作

### 打开页面并等待加载

```bash
agent-browser --cdp 9222 open "<URL>"
agent-browser --cdp 9222 wait 3000
```

### 提取页面文本内容

```bash
agent-browser --cdp 9222 eval 'document.body.innerText.substring(0, 8000)'
```

### 提取 Auth Token

```bash
# 从 localStorage 或 cookie 提取
agent-browser --cdp 9222 eval 'localStorage.getItem("token") || document.cookie'
```

### 页面截图 / 交互式快照

```bash
# 查找页面元素（用于登录按钮等交互）
agent-browser --cdp 9222 snapshot -i
```

### 点击元素

```bash
agent-browser --cdp 9222 click "<CSS selector>"
```

### 填写表单

```bash
agent-browser --cdp 9222 type "<CSS selector>" "<text>"
```

---

## 常见问题

| 问题 | 解决方案 |
|------|----------|
| CDP 端口未监听 | 重新运行 `setup-cdp-chrome.js` |
| 页面跳转到登录页 | `snapshot -i` 找登录按钮并操作 |
| eval 返回 null | 检查 localStorage key 名称，或改用 `document.cookie` |
| Chrome 进程残留 | macOS/Linux: `pkill -9 -x 'Google Chrome'` / Windows: `taskkill /F /IM chrome.exe`，后重新运行脚本 |

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browser-cdp

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